diff --git a/IFC_roundtrip_specifications.md b/IFC_roundtrip_specifications.md
index 4dd0261..72a13b3 100644
--- a/IFC_roundtrip_specifications.md
+++ b/IFC_roundtrip_specifications.md
@@ -3,50 +3,7 @@
 This file lists "exercises" to be performed by a BIM application to achieve adequate round-tripping 
 with IFC files. The application should successfully complete all the steps.
 
-
-
-## 1. importing and exporting a simple extrusion
-
-The application should be able to export and import an IFC file containing one IfcBuildingElementProxy 
-entity, with one representation, which is an IfcExtrudedAreaSolid, based on an IfcArbitraryClosedProfileDef
-made of an IfcPolyline, like the example below:
-
-```
-  #20= IFCBUILDINGELEMENTPROXY('0ohBfsArr3ruXYxacT4yl5',#1,'NOTDEFINED',$,$,#2,#21,$,.NOTDEFINED.);
-    #21= IFCPRODUCTDEFINITIONSHAPE($,$,(#22));
-      #22= IFCSHAPEREPRESENTATION(#9,'Body','SweptSolid',(#23));
-        #23= IFCEXTRUDEDAREASOLID(#24,$,#25,2000.);
-          #24 = IFCARBITRARYCLOSEDPROFILEDEF(.AREA., $, #26);
-            #26 = IFCPOLYLINE((#27, #28, #29, #30));
-              #27 = IFCCARTESIANPOINT((0., 0.));
-              #28 = IFCCARTESIANPOINT((1000., 0.));
-              #29 = IFCCARTESIANPOINT((1000., 1000.));
-              #30 = IFCCARTESIANPOINT((0., 1000.));
-          #25= IFCDIRECTION((0.,0.,1.));
-```
-
-#### Import criteria
-
-* The profile position and extrusion direction are correct
-* The extrusion can be changed after import
-* The base polyline can be edited after import
-
-#### Export criteria
-
-* The exported IFC file contains an IfcBuildingElementProxy, with an IfcExtrudedAreaSolid as its representation and an IfcArbitraryClosedProfileDef made of an IfcPolyline as its profile
-* The position and extrusion direction are correct when the IFC file is viewed with [ifc++](http://ifcquery.com)
-
-#### Results
-
-|                | BlenderBIM | FreeCAD                                                      | Revit | ArchiCAD | BricsCAD |
-| -------------- | ---------- | ------------------------------------------------------------ | ----- | -------- | -------- |
-| passed?        |            | yes                                                          |       |          |          |
-| exported file: |            | [simple extrusion.ifc](Specifications%20test%20files/Roundtrip%20Results/simple%20extrusion.ifc) |       |          |          |
-| imported file: |            | [simple extrusion.FCStd](Specifications%20test%20files/Roundtrip%20Results/simple%20extrusion.FCStd) |       |          |          |
-
-
-
-## 2. importing and exporting non-vertical extrusions
+## 1. Extrusions
 
 The application should be able to export and import an IFC file containing three IfcBuildingElementProxy entities, each with one representation, which is an IfcExtrudedAreaSolid, each based on IfcArbitraryClosedProfileDef made of an IfcPolyline, like the example below. One profile should lie on the XY plane, one in the YZ plane, and a third on a plane made of one of the former rotated 45° along the Y axis. Extrusion directions should be normal to the profiles.
 
@@ -80,11 +37,4 @@ The application should be able to export and import an IFC file containing three
 * The positions and extrusion directions are correct when the IFC file is viewed with [ifc++](http://ifcquery.com)
 
 #### Results
-
-|                | BlenderBIM | FreeCAD                                                      | Revit | ArchiCAD | BricsCAD |
-| -------------- | ---------- | ------------------------------------------------------------ | ----- | -------- | -------- |
-| passed?        |            | yes                                                          |       |          |          |
-| exported file: |            | [multiple extrusions.ifc](Specifications%20test%20files/Roundtrip%20Results/multiple%20extrusions.ifc) |       |          |          |
-| imported file: |            | [multiple extrusions.FCStd](Specifications%20test%20files/Roundtrip%20Results/multiple%20extrusions.FCStd) |       |          |          |
-
-
+[FreeMVD_WorkFlow\Specifications_Test_Files\Extrusions](FreeMVD_WorkFlow\Specifications_Test_Files\Extrusions)
\ No newline at end of file
diff --git a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_01.blend b/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_01.blend
deleted file mode 100644
index 777bc8b..0000000
Binary files a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_01.blend and /dev/null differ
diff --git a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_02.ifc b/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_02.ifc
deleted file mode 100644
index 57717ec..0000000
--- a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_02.ifc	
+++ /dev/null
@@ -1,176 +0,0 @@
-ISO-10303-21;
-HEADER;
-FILE_DESCRIPTION(('ViewDefinition [CoordinationView]'),'2;1');
-FILE_NAME('$filename','2019-05-12T12:33:45',('$owner','$email'),('$company'),'IfcOpenShell','IfcOpenShell','');
-FILE_SCHEMA(('IFC4'));
-ENDSEC;
-DATA;
-#1=IFCPERSON($,$,'$owner',$,$,$,$,$);
-#2=IFCORGANIZATION($,'$company',$,$,$);
-#3=IFCPERSONANDORGANIZATION(#1,#2,$);
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-#5=IFCOWNERHISTORY(#3,#4,$,.ADDED.,$,#3,#4,1557664425);
-#6=IFCDIRECTION((1.,0.,0.));
-#7=IFCDIRECTION((0.,0.,1.));
-#8=IFCCARTESIANPOINT((0.,0.,0.));
-#9=IFCAXIS2PLACEMENT3D(#8,#7,#6);
-#10=IFCDIRECTION((0.,1.,0.));
-#12=IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);
-#13=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
-#14=IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);
-#15=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
-#16=IFCUNITASSIGNMENT((#13,#14,#15));
-#17=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.E-05,#9,$);
-#18=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Plan',2,1.E-05,#9,$);
-#19=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Axis','Model',*,*,*,*,#17,$,.MODEL_VIEW.,$);
-#20=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('FootPrint','Model',*,*,*,*,#17,$,.MODEL_VIEW.,$);
-#21=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Reference','Model',*,*,*,*,#17,$,.MODEL_VIEW.,$);
-#22=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Body','Model',*,*,*,*,#17,$,.MODEL_VIEW.,$);
-#23=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Clearance','Model',*,*,*,*,#17,$,.MODEL_VIEW.,$);
-#24=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('CoG','Model',*,*,*,*,#17,$,.MODEL_VIEW.,$);
-#25=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Box','Model',*,*,*,*,#17,$,.MODEL_VIEW.,$);
-#26=IFCPROJECT('0N_ieKeAzAyugGwwXnGriU',$,'adsf',$,$,$,$,(#17,#18),#16);
-#27=IFCDOCUMENTREFERENCE('foo',$,'foo',$,$);
-#28=IFCRELASSOCIATESDOCUMENT('3ita_fhXnEOxd9WR5Ggo16',$,$,$,(#26),#27);
-#29=IFCDOCUMENTREFERENCE('test.pdf',$,'test',$,$);
-#30=IFCRELASSOCIATESDOCUMENT('3Kq_BIZID529O5xl8AZphU',$,$,$,(#26),#29);
-#31=IFCDOCUMENTREFERENCE('foo/bar.pdf',$,'bar',$,$);
-#32=IFCRELASSOCIATESDOCUMENT('313uitNMv4wPeLU8WiVnyP',$,$,$,(#26),#31);
-#33=IFCCLASSIFICATION('RIBA Enterprises Ltd','2015','Aug-19','Uniclass 2015','Uniclass2015 is a unified classification for the UK industry covering all construction sectors.','https://www.thenbs.com/our-tools/uniclass-2015',('_'));
-#34=IFCRELASSOCIATESCLASSIFICATION('3POy3ZUELAdfX0GVQo4Civ',$,$,$,(#26),#33);
-#35=IFCCLASSIFICATION('OmniClass','2.1','May-12','OmniClass','The OmniClass Construction Classification System is a classification system for the construction industry.','https://www.csiresources.org/standards/omniclass',('-',' '));
-#36=IFCRELASSOCIATESCLASSIFICATION('1DoOYUYh9F_O_lgGWJYDfx',$,$,$,(#26),#35);
-#37=IFCCLASSIFICATIONREFERENCE($,'Pr_20_85_14_16','Concrete solid slabs',#33,$,$);
-#38=IFCOBJECTIVE('Beauty','The built form should be beautiful',.HARD.,$,$,$,$,$,$,.DESIGNINTENT.,$);
-#39=IFCOBJECTIVE('Safety','No facilities exist to generate killer artificial intelligence',.HARD.,$,$,$,$,$,$,.HEALTHANDSAFETY.,$);
-#40=IFCPROPERTYSINGLEVALUE('Reference',$,IFCLABEL('Some reference'),$);
-#41=IFCPROPERTYSINGLEVALUE('Style',$,IFCLABEL('Some style'),$);
-#42=IFCPROPERTYSINGLEVALUE('NominalHeight',$,IFCPOSITIVELENGTHMEASURE(1.2),$);
-#43=IFCPROPERTYSINGLEVALUE('NominalLength',$,IFCPOSITIVELENGTHMEASURE(1.3),$);
-#44=IFCPROPERTYSINGLEVALUE('NominalDepth',$,IFCPOSITIVELENGTHMEASURE(1.5),$);
-#45=IFCPROPERTYSINGLEVALUE('MainColor',$,IFCLABEL('Blue'),$);
-#46=IFCPROPERTYSINGLEVALUE('IsBuiltIn',$,IFCBOOLEAN(.T.),$);
-#47=IFCPROPERTYSET('0zw4KVybr9YB9xW1BGgavU',#5,'Pset_FurnitureTypeCommon','monkey',(#40,#41,#42,#43,#44,#45,#46));
-#48=IFCPROPERTYSINGLEVALUE('MainColor',$,IFCLABEL('Red'),$);
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-#57=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#56);
-#58=IFCDIRECTION((0.,0.,1.));
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-#82=IFCPOLYLINE((#77,#78,#79,#80,#81,#77));
-#83=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#82);
-#84=IFCDIRECTION((0.433605164289474,0.,0.901103019714355));
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-#86=IFCSHAPEREPRESENTATION(#22,'Body','SweptSolid',(#85));
-#87=IFCCARTESIANPOINT((-1.,-1.,0.));
-#88=IFCBOUNDINGBOX(#87,4.,2.,4.15632963180542);
-#89=IFCSHAPEREPRESENTATION(#25,'Box','BoundingBox',(#88));
-#90=IFCCOLOURRGB($,0.800000011920929,0.0705000013113022,0.0207870006561279);
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-#93=IFCSURFACESTYLE($,.BOTH.,(#92));
-#94=IFCSTYLEDITEM($,(#93),'red');
-#95=IFCSTYLEDREPRESENTATION(#22,$,$,(#94));
-#96=IFCMATERIAL('red',$,$);
-#97=IFCMATERIALDEFINITIONREPRESENTATION('red',$,(#95),#96);
-#98=IFCCOLOURRGB($,0.0533169992268085,0.171658992767334,0.800000011920929);
-#99=IFCCOLOURRGB($,0.0533172897994518,0.171659097075462,0.800000071525574);
-#100=IFCSURFACESTYLERENDERING(#98,-0.,#99,$,$,$,$,$,$);
-#101=IFCSURFACESTYLE($,.BOTH.,(#100));
-#102=IFCSTYLEDITEM($,(#101),'blue');
-#103=IFCSTYLEDREPRESENTATION(#22,$,$,(#102));
-#104=IFCMATERIAL('blue',$,$);
-#105=IFCMATERIALDEFINITIONREPRESENTATION('blue',$,(#103),#104);
-#106=IFCLOCALPLACEMENT($,#9);
-#107=IFCSITE('2YM$WHrc9BDRnI9sEHu6bN',#5,'asdf',$,$,#106,$,$,$,$,$,$,$,$);
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-#109=IFCBUILDING('3pU$0GAi5FQQykn2whWWK1',#5,'asdf',$,$,#108,$,$,$,$,$,$);
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-#119=IFCLOCALPLACEMENT(#110,#118);
-#120=IFCPRODUCTDEFINITIONSHAPE($,$,(#60,#63));
-#121=IFCBUILDINGELEMENTPROXY('1$CC6c$9DCUOeMcuflaNvL',#5,'red-cube',$,$,#119,#120,$,.NOTDEFINED.);
-#122=IFCCARTESIANPOINT((3.,0.,1.));
-#123=IFCDIRECTION((1.00000011920929,0.,0.));
-#124=IFCDIRECTION((0.,0.,-1.00000011920929));
-#125=IFCAXIS2PLACEMENT3D(#122,#123,#124);
-#126=IFCLOCALPLACEMENT(#110,#125);
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-#128=IFCBUILDINGELEMENTPROXY('1$CC6c$9DCUOeMcuflaNvL',#5,'blue-cube',$,$,#126,#127,$,.NOTDEFINED.);
-#129=IFCCARTESIANPOINT((0.,4.,0.));
-#130=IFCDIRECTION((0.,0.,1.));
-#131=IFCDIRECTION((1.,0.,0.));
-#132=IFCAXIS2PLACEMENT3D(#129,#130,#131);
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-#134=IFCPRODUCTDEFINITIONSHAPE($,$,(#86,#89));
-#135=IFCBUILDINGELEMENTPROXY('1$CC6c$9DCUOeMcuflaNvL',#5,'red-cube2',$,$,#133,#134,$,.NOTDEFINED.);
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-#140=IFCSTYLEDITEM(#59,(#139),'red');
-#141=IFCCOLOURRGB($,0.800000011920929,0.0705000013113022,0.0207870006561279);
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-ENDSEC;
-END-ISO-10303-21;
diff --git a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_03_pass.mp4 b/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_03_pass.mp4
deleted file mode 100644
index e50d37b..0000000
Binary files a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_03_pass.mp4 and /dev/null differ
diff --git a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_03_pass.rvt b/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_03_pass.rvt
deleted file mode 100644
index fa725fd..0000000
Binary files a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_03_pass.rvt and /dev/null differ
diff --git a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_04.ifc b/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_04.ifc
deleted file mode 100644
index b32a342..0000000
--- a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_04.ifc	
+++ /dev/null
@@ -1,196 +0,0 @@
-ISO-10303-21;
-HEADER;
-
-/******************************************************************************************
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-* Module:                         EDMstepFileFactory/EDMstandAlone
-* Creation date:                  Thu Oct 17 11:45:18 2019
-* Host:                           DESKTOP-BJ78QVA
-* Database:                       C:\Users\ryan\AppData\Local\Temp\{38C40276-BA40-4332-871D-F223050AD52B}\ifc
-* Database version:               5507
-* Database creation date:         Thu Oct 17 11:45:16 2019
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-* Model creation date:            Thu Oct 17 11:45:17 2019
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-* Header model creation date:     Thu Oct 17 11:45:17 2019
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-* EDMstepFileFactory options:     020000
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-ENDSEC;
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-DATA;
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-#42= IFCOWNERHISTORY(#39,#5,$,.NOCHANGE.,$,$,$,1571330652);
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diff --git a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_05_fail.mp4 b/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_05_fail.mp4
deleted file mode 100644
index 7b0aec9..0000000
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diff --git a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_05_fail.rvt b/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_05_fail.rvt
deleted file mode 100644
index d28dc90..0000000
Binary files a/Specifications test files/Extrusion Direction/From Blender/extrusion-direction_05_fail.rvt and /dev/null differ
diff --git a/Specifications test files/Extrusion Direction/From Revit/Extrusion Direction_01.rvt b/Specifications test files/Extrusion Direction/From Revit/Extrusion Direction_01.rvt
deleted file mode 100644
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diff --git a/Specifications test files/Extrusion Direction/From Revit/Extrusion Direction_02.ifc b/Specifications test files/Extrusion Direction/From Revit/Extrusion Direction_02.ifc
deleted file mode 100644
index c9b6850..0000000
--- a/Specifications test files/Extrusion Direction/From Revit/Extrusion Direction_02.ifc	
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diff --git a/Specifications test files/Consistent GUIDs/from Revit/Consistent GUIDs_01.rvt b/Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_01.rvt
similarity index 100%
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rename to Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_01.rvt
diff --git a/Specifications test files/Consistent GUIDs/from Revit/Consistent GUIDs_02.ifc b/Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_02.ifc
similarity index 100%
rename from Specifications test files/Consistent GUIDs/from Revit/Consistent GUIDs_02.ifc
rename to Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_02.ifc
diff --git a/Specifications test files/Consistent GUIDs/from Revit/Consistent GUIDs_02_1.rvt b/Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_02_1.rvt
similarity index 100%
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diff --git a/Specifications test files/Consistent GUIDs/from Revit/Consistent GUIDs_02_2.ifc b/Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_02_2.ifc
similarity index 100%
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rename to Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_02_2.ifc
diff --git a/Specifications test files/Consistent GUIDs/from Revit/Consistent GUIDs_02_3.rvt b/Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_02_3.rvt
similarity index 100%
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diff --git a/Specifications test files/Consistent GUIDs/from Revit/Consistent GUIDs_02_4.ifc b/Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_02_4.ifc
similarity index 100%
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diff --git a/Specifications test files/Consistent GUIDs/from Revit/Consistent GUIDs_02_5.rvt b/Specifications_Test_Files/Consistent GUIDs/from Revit/Consistent GUIDs_02_5.rvt
similarity index 100%
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similarity index 100%
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diff --git a/Specifications test files/Extrusion with Void/from FreeCAD/.gitkeep b/Specifications_Test_Files/Extrusion with Void/from FreeCAD/.gitkeep
similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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rename to Specifications_Test_Files/Extrusion with Void/from Revit/Extrusion with Void_01.rvt
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similarity index 100%
rename from Specifications test files/Extrusion with Void/from Revit/Extrusion with Void_02.ifc
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similarity index 100%
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rename to Specifications_Test_Files/Extrusion with Void/from Revit/Extrusion with Void_02_1.rvt
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similarity index 100%
rename from Specifications test files/Extrusion with Void/from Revit/Extrusion with Void_02_2.ifc
rename to Specifications_Test_Files/Extrusion with Void/from Revit/Extrusion with Void_02_2.ifc
diff --git a/Specifications test files/Roundtrip Results/multiple extrusions.FCStd b/Specifications_Test_Files/Extrusions/Extrusions_01_A.FCStd
similarity index 100%
rename from Specifications test files/Roundtrip Results/multiple extrusions.FCStd
rename to Specifications_Test_Files/Extrusions/Extrusions_01_A.FCStd
diff --git a/Specifications test files/Roundtrip Results/multiple extrusions.ifc b/Specifications_Test_Files/Extrusions/Extrusions_02_A_PASSED.ifc
similarity index 100%
rename from Specifications test files/Roundtrip Results/multiple extrusions.ifc
rename to Specifications_Test_Files/Extrusions/Extrusions_02_A_PASSED.ifc
diff --git a/Specifications_Test_Files/Extrusions/Extrusions_02_A_PASSED_commented.ifc b/Specifications_Test_Files/Extrusions/Extrusions_02_A_PASSED_commented.ifc
new file mode 100644
index 0000000..28b7842
--- /dev/null
+++ b/Specifications_Test_Files/Extrusions/Extrusions_02_A_PASSED_commented.ifc
@@ -0,0 +1,711 @@
+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION(('ViewDefinition [CoordinationView]'),'2;1');
+FILE_NAME('multiple.ifc','2020-05-13T12:10:58',('Yorik van Havre','yorik@uncreated.net'),('uncreated.net'),'IfcOpenShell 0.6.0b0','IfcOpenShell 0.6.0b0','');
+FILE_SCHEMA(('IFC4'));
+ENDSEC;
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+  /*#2=IFCORGANIZATION($,'uncreated.net',$,$,$);*/
+#4=IFCAPPLICATION(#2,'0.19 build 21059 (Git)','FreeCAD','118df2cf_ed21_438e_a41');
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+#21=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.E-05,#9,#20);
+  /*#9=IFCAXIS2PLACEMENT3D(#8,#7,#6);*/
+    /*#8=IFCCARTESIANPOINT((0.,0.,0.));*/
+    /*#7=IFCDIRECTION((0.,0.,1.));*/
+    /*#6=IFCDIRECTION((1.,0.,0.));*/
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+  /*#21=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.E-05,#9,#20);*/
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+      /*#2=IFCORGANIZATION($,'uncreated.net',$,$,$);*/
+    /*#4=IFCAPPLICATION(#2,'0.19 build 21059 (Git)','FreeCAD','118df2cf_ed21_438e_a41');*/
+      /*#2=IFCORGANIZATION($,'uncreated.net',$,$,$);*/
+    /*#3=IFCPERSONANDORGANIZATION(#1,#2,$);*/
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+      /*#2=IFCORGANIZATION($,'uncreated.net',$,$,$);*/
+    /*#4=IFCAPPLICATION(#2,'0.19 build 21059 (Git)','FreeCAD','118df2cf_ed21_438e_a41');*/
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+    /*#15=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);*/
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+#29=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#28);
+  /*#28=IFCPOLYLINE((#24,#25,#26,#27,#24));*/
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+#31=IFCAXIS2PLACEMENT3D(#30,#7,#6);
+  /*#30=IFCCARTESIANPOINT((1.,-0.5,0.));*/
+  /*#7=IFCDIRECTION((0.,0.,1.));*/
+  /*#6=IFCDIRECTION((1.,0.,0.));*/
+#32=IFCEXTRUDEDAREASOLID(#29,#31,#7,2.);
+  /*#29=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#28);*/
+    /*#28=IFCPOLYLINE((#24,#25,#26,#27,#24));*/
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+    /*#30=IFCCARTESIANPOINT((1.,-0.5,0.));*/
+    /*#7=IFCDIRECTION((0.,0.,1.));*/
+    /*#6=IFCDIRECTION((1.,0.,0.));*/
+  /*#7=IFCDIRECTION((0.,0.,1.));*/
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+#34=IFCSURFACESTYLERENDERING(#33,$,$,$,$,$,$,$,.FLAT.);
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+#36=IFCPRESENTATIONSTYLEASSIGNMENT((#35));
+  /*#35=IFCSURFACESTYLE($,.BOTH.,(#34));*/
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+#37=IFCSTYLEDITEM(#32,(#36),$);
+  /*#32=IFCEXTRUDEDAREASOLID(#29,#31,#7,2.);*/
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+      /*#28=IFCPOLYLINE((#24,#25,#26,#27,#24));*/
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+      /*#7=IFCDIRECTION((0.,0.,1.));*/
+      /*#6=IFCDIRECTION((1.,0.,0.));*/
+    /*#7=IFCDIRECTION((0.,0.,1.));*/
+  /*#36=IFCPRESENTATIONSTYLEASSIGNMENT((#35));*/
+    /*#35=IFCSURFACESTYLE($,.BOTH.,(#34));*/
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+        /*#33=IFCCOLOURRGB($,0.800000011920929,0.800000011920929,0.800000011920929);*/
+#38=IFCLOCALPLACEMENT($,#9);
+  /*#9=IFCAXIS2PLACEMENT3D(#8,#7,#6);*/
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+    /*#7=IFCDIRECTION((0.,0.,1.));*/
+    /*#6=IFCDIRECTION((1.,0.,0.));*/
+#39=IFCSHAPEREPRESENTATION(#22,'Body','SweptSolid',(#32));
+  /*#22=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Body','Model',*,*,*,*,#21,$,.MODEL_VIEW.,$);*/
+    /*#21=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.E-05,#9,#20);*/
+      /*#9=IFCAXIS2PLACEMENT3D(#8,#7,#6);*/
+        /*#8=IFCCARTESIANPOINT((0.,0.,0.));*/
+        /*#7=IFCDIRECTION((0.,0.,1.));*/
+        /*#6=IFCDIRECTION((1.,0.,0.));*/
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+  /*#32=IFCEXTRUDEDAREASOLID(#29,#31,#7,2.);*/
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+      /*#28=IFCPOLYLINE((#24,#25,#26,#27,#24));*/
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+      /*#6=IFCDIRECTION((1.,0.,0.));*/
+    /*#7=IFCDIRECTION((0.,0.,1.));*/
+#40=IFCPRODUCTDEFINITIONSHAPE($,$,(#39));
+  /*#39=IFCSHAPEREPRESENTATION(#22,'Body','SweptSolid',(#32));*/
+    /*#22=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Body','Model',*,*,*,*,#21,$,.MODEL_VIEW.,$);*/
+      /*#21=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.E-05,#9,#20);*/
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+          /*#7=IFCDIRECTION((0.,0.,1.));*/
+          /*#6=IFCDIRECTION((1.,0.,0.));*/
+        /*#20=IFCDIRECTION((0.,1.));*/
+    /*#32=IFCEXTRUDEDAREASOLID(#29,#31,#7,2.);*/
+      /*#29=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#28);*/
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+        /*#7=IFCDIRECTION((0.,0.,1.));*/
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+#41=IFCBUILDINGELEMENTPROXY('0iRwTtZ1vDVg4QoKF$wB$X',#5,'Extrude','',$,#38,#40,$,$);
+  /*#5=IFCOWNERHISTORY(#3,#4,$,.ADDED.,1589371858,#3,#4,1589371858);*/
+    /*#3=IFCPERSONANDORGANIZATION(#1,#2,$);*/
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diff --git a/Specifications_Test_Files/Extrusions/Extrusions_03_A_PASSED.rvt b/Specifications_Test_Files/Extrusions/Extrusions_03_A_PASSED.rvt
new file mode 100644
index 0000000..9ba1126
Binary files /dev/null and b/Specifications_Test_Files/Extrusions/Extrusions_03_A_PASSED.rvt differ
diff --git a/Specifications_Test_Files/Extrusions/Extrusions_03_B_FAILED_extrusion directions incorrect.ifc b/Specifications_Test_Files/Extrusions/Extrusions_03_B_FAILED_extrusion directions incorrect.ifc
new file mode 100644
index 0000000..b751074
--- /dev/null
+++ b/Specifications_Test_Files/Extrusions/Extrusions_03_B_FAILED_extrusion directions incorrect.ifc	
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diff --git a/Specifications_Test_Files/Extrusions/Extrusions_03_B_FAILED_extrusion directions incorrect_commented.ifc b/Specifications_Test_Files/Extrusions/Extrusions_03_B_FAILED_extrusion directions incorrect_commented.ifc
new file mode 100644
index 0000000..1879377
--- /dev/null
+++ b/Specifications_Test_Files/Extrusions/Extrusions_03_B_FAILED_extrusion directions incorrect_commented.ifc	
@@ -0,0 +1,3212 @@
+ISO-10303-21;
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+* Creation date:                  Wed May 13 08:54:44 2020
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+            /*#109= IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.00000000000000E-5,#106,#107);*/
+              /*#106= IFCAXIS2PLACEMENT3D(#6,$,$);*/
+                /*#6= IFCCARTESIANPOINT((0.,0.,0.));*/
+              /*#107= IFCDIRECTION((6.12303176911189E-17,1.));*/
+          /*#387= IFCEXTRUDEDAREASOLID(#383,#386,#20,1.8);*/
+            /*#383= IFCRECTANGLEPROFILEDEF(.AREA.,'Extrude002',#382,4.,0.8);*/
+              /*#382= IFCAXIS2PLACEMENT2D(#380,#24);*/
+                /*#380= IFCCARTESIANPOINT((0.,0.));*/
+                /*#24= IFCDIRECTION((1.,0.));*/
+            /*#386= IFCAXIS2PLACEMENT3D(#384,#20,#14);*/
+              /*#384= IFCCARTESIANPOINT((2.,0.4,0.));*/
+              /*#20= IFCDIRECTION((0.,0.,1.));*/
+              /*#14= IFCDIRECTION((-1.,0.,0.));*/
+            /*#20= IFCDIRECTION((0.,0.,1.));*/
+      /*#243= IFCCARTESIANTRANSFORMATIONOPERATOR3D($,$,#6,1.,$);*/
+        /*#6= IFCCARTESIANPOINT((0.,0.,0.));*/
+ENDSEC;
+
+END-ISO-10303-21;
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diff --git a/Specifications test files/_RANDOM TESTS/20170105_Simplified profiles/simplified profiles v03.ifc b/Specifications_Test_Files/_Random Tests/20170105_Simplified profiles/simplified profiles v03.ifc
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diff --git a/Specifications test files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/01_Material tag test.FCStd b/Specifications_Test_Files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/01_material tag test.FCStd
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diff --git a/Specifications test files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/02_Material tag test.ifc b/Specifications_Test_Files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/02_Material tag test.ifc
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diff --git a/Specifications test files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/03_Material tag test.rvt b/Specifications_Test_Files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/03_Material tag test.rvt
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diff --git a/Specifications test files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/04_Material tag test after fix.ifc b/Specifications_Test_Files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/04_Material tag test after fix.ifc
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diff --git a/Specifications test files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/_template.rte b/Specifications_Test_Files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 1 - from FreeCAD/_template.rte
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diff --git a/Specifications test files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 2 - from Revit/01_Material tag test_one material.rvt b/Specifications_Test_Files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 2 - from Revit/01_Material tag test_one material.rvt
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diff --git a/Specifications test files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 2 - from Revit/02_Material tag test_one material.ifc b/Specifications_Test_Files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 2 - from Revit/02_Material tag test_one material.ifc
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diff --git a/Specifications test files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 2 - from Revit/03_Material tag test_one material.rvt b/Specifications_Test_Files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 2 - from Revit/03_Material tag test_one material.rvt
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diff --git a/Specifications test files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 2 - from Revit/_template.rte b/Specifications_Test_Files/_Random Tests/20190131_Simple Material tags creating numbers at end/Test 2 - from Revit/_template.rte
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diff --git a/Specifications test files/bug - tags with number/materials colors extractor.dyn b/Specifications_Test_Files/bug - tags with number/materials colors extractor.dyn
similarity index 96%
rename from Specifications test files/bug - tags with number/materials colors extractor.dyn
rename to Specifications_Test_Files/bug - tags with number/materials colors extractor.dyn
index 8eed26c..869aa21 100644
--- a/Specifications test files/bug - tags with number/materials colors extractor.dyn	
+++ b/Specifications_Test_Files/bug - tags with number/materials colors extractor.dyn	
@@ -1,603 +1,603 @@
-{
-  "Uuid": "0023acd3-7749-4d58-9f46-b59650da6367",
-  "IsCustomNode": false,
-  "Description": null,
-  "Name": "materials colors extractor",
-  "ElementResolver": {
-    "ResolutionMap": {}
-  },
-  "Inputs": [],
-  "Outputs": [],
-  "Nodes": [
-    {
-      "ConcreteType": "DSRevitNodesUI.Categories, DSRevitNodesUI",
-      "SelectedIndex": 298,
-      "SelectedString": "OST_Materials",
-      "NodeType": "ExtensionNode",
-      "Id": "82361ea37b8f480b9a9c6aa44d256946",
-      "Inputs": [],
-      "Outputs": [
-        {
-          "Id": "a7e3dd223a244c8d917245101f294d75",
-          "Name": "Category",
-          "Description": "The selected Category.",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Disabled",
-      "Description": "All built-in categories."
-    },
-    {
-      "ConcreteType": "DSRevitNodesUI.ElementsOfCategory, DSRevitNodesUI",
-      "NodeType": "ExtensionNode",
-      "Id": "b7eb84f689eb4932a7c4225bf8878a0a",
-      "Inputs": [
-        {
-          "Id": "8336c0c6b9574c359ba1c9b4f50a3480",
-          "Name": "Category",
-          "Description": "The Category",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Outputs": [
-        {
-          "Id": "766690faf90546688c55c858372c5857",
-          "Name": "Elements",
-          "Description": "An element type.",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Disabled",
-      "Description": "Get all elements of the specified category from the model."
-    },
-    {
-      "ConcreteType": "Dynamo.Graph.Nodes.ZeroTouch.DSFunction, DynamoCore",
-      "NodeType": "FunctionNode",
-      "FunctionSignature": "Revit.Elements.Material.Name",
-      "Id": "9bc3e1e27cbb45728951ddfd22a5ff84",
-      "Inputs": [
-        {
-          "Id": "cbe118db868f42d1a370c7bf3146b9d3",
-          "Name": "material",
-          "Description": "Revit.Elements.Material",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Outputs": [
-        {
-          "Id": "69ad375efd9d498d92f3050fad2e30ba",
-          "Name": "string",
-          "Description": "string",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Auto",
-      "Description": "Get Material Name\n\nMaterial.Name: string"
-    },
-    {
-      "ConcreteType": "Dynamo.Graph.Nodes.ZeroTouch.DSFunction, DynamoCore",
-      "NodeType": "FunctionNode",
-      "FunctionSignature": "Revit.Elements.Material.Color",
-      "Id": "81e3ccdfff6d4faf8022459101229594",
-      "Inputs": [
-        {
-          "Id": "d50079d698eb4975bea9f440370cb6d0",
-          "Name": "material",
-          "Description": "Revit.Elements.Material",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Outputs": [
-        {
-          "Id": "dad6bcc6cd104742902e85d0de2611f7",
-          "Name": "Color",
-          "Description": "Color",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Auto",
-      "Description": "Get color\n\nMaterial.Color: Color"
-    },
-    {
-      "ConcreteType": "Dynamo.Graph.Nodes.ZeroTouch.DSFunction, DynamoCore",
-      "NodeType": "FunctionNode",
-      "FunctionSignature": "DSOffice.Data.ExportCSV@string,var[][]",
-      "Id": "dd25c5b04c9340e9bb49dffd83fddce2",
-      "Inputs": [
-        {
-          "Id": "111e679cda364599890248702dc2e8bb",
-          "Name": "filePath",
-          "Description": "Path to write to\n\nstring",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        },
-        {
-          "Id": "ff782123dbb34910ab53a2215025bb4c",
-          "Name": "data",
-          "Description": "List of lists to write into CSV\n\nvar[][]",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Outputs": [
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-          "Name": "void",
-          "Description": "void",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Auto",
-      "Description": "Write a list of lists into a file using a comma-separated values format. Outer list represents rows, inner lists represent columns.\n\nData.ExportCSV (filePath: string, data: var[][]): void"
-    },
-    {
-      "ConcreteType": "CoreNodeModels.CreateList, CoreNodeModels",
-      "VariableInputPorts": true,
-      "NodeType": "ExtensionNode",
-      "Id": "c6f071d61e1f4973b1969c1ef5c44b4e",
-      "Inputs": [
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-          "Id": "879342dd425b48fd9978538641ba524f",
-          "Name": "item0",
-          "Description": "Item Index #0",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        },
-        {
-          "Id": "fe3ced99d300429b8e19362c630d7efe",
-          "Name": "item1",
-          "Description": "Item Index #1",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Outputs": [
-        {
-          "Id": "552aa6c2dfb1460bb77971651e9826ed",
-          "Name": "list",
-          "Description": "A list",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Disabled",
-      "Description": "Makes a new list out of the given inputs"
-    },
-    {
-      "ConcreteType": "CoreNodeModels.Input.Filename, CoreNodeModels",
-      "HintPath": "Z:\\output.csv",
-      "InputValue": "Z:\\output.csv",
-      "NodeType": "ExtensionNode",
-      "Id": "c6068b5968c44d97bbe06d3b228b9fe8",
-      "Inputs": [],
-      "Outputs": [
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-          "Name": "",
-          "Description": "Filename",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Disabled",
-      "Description": "Allows you to select a file on the system to get its filename"
-    },
-    {
-      "ConcreteType": "CoreNodeModels.HigherOrder.Map, CoreNodeModels",
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-          "UsingDefaultValue": false,
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-        {
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-          "Name": "f(x)",
-          "Description": "The procedure used to map element",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Outputs": [
-        {
-          "Id": "e28131c783d74b3b9402e54969a99456",
-          "Name": "mapped",
-          "Description": "Mapped list",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Disabled",
-      "Description": "Applies a function over all elements of a list, generating a new list from the results."
-    },
-    {
-      "ConcreteType": "Dynamo.Graph.Nodes.ZeroTouch.DSFunction, DynamoCore",
-      "NodeType": "FunctionNode",
-      "FunctionSignature": "DSCore.String.Replace@string,string,string",
-      "Id": "39c0a8a5a237410cbe32a8c1772cc99f",
-      "Inputs": [
-        {
-          "Id": "fbd66fff4f0a497687fe088202c86455",
-          "Name": "str",
-          "Description": "String to replace substrings in.\n\nstring",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        },
-        {
-          "Id": "f1b4f2a60d5441f1a9301be11df55761",
-          "Name": "searchFor",
-          "Description": "Text to be replaced.\n\nstring",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        },
-        {
-          "Id": "32559a3df173425898d21346e2bf01ad",
-          "Name": "replaceWith",
-          "Description": "Text to replace with.\n\nstring",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Outputs": [
-        {
-          "Id": "aa6e78a0c65c42978776edd552e64566",
-          "Name": "str",
-          "Description": "String with replacements made.",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Auto",
-      "Description": "Replaces all occurrences of text in a string with other text.\n\nString.Replace (str: string, searchFor: string, replaceWith: string): string"
-    },
-    {
-      "ConcreteType": "CoreNodeModels.Input.StringInput, CoreNodeModels",
-      "NodeType": "StringInputNode",
-      "InputValue": ",",
-      "Id": "3a985537c16547a6a84be5aee59d63f8",
-      "Inputs": [],
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-          "Name": "",
-          "Description": "String",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Disabled",
-      "Description": "Creates a string."
-    },
-    {
-      "ConcreteType": "CoreNodeModels.Input.StringInput, CoreNodeModels",
-      "NodeType": "StringInputNode",
-      "InputValue": ";",
-      "Id": "2eb1d77a4b304fbe899caf66d2f6ba7e",
-      "Inputs": [],
-      "Outputs": [
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-          "Id": "1e402756eff44d15afd8a5ac61ccc6ce",
-          "Name": "",
-          "Description": "String",
-          "UsingDefaultValue": false,
-          "Level": 2,
-          "UseLevels": false,
-          "KeepListStructure": false
-        }
-      ],
-      "Replication": "Disabled",
-      "Description": "Creates a string."
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-    {
-      "ConcreteType": "CoreNodeModels.HigherOrder.Map, CoreNodeModels",
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-      "Inputs": [
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-          "Id": "ec53fcade66b4561b1d1d5e6e46156c5",
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-          "UsingDefaultValue": false,
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-          "Id": "abb7edddf8eb4ec898ea8b8a0ae61b96",
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-      "Outputs": [
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-          "Description": "Mapped list",
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-          "UseLevels": false,
-          "KeepListStructure": false
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+  "IsCustomNode": false,
+  "Description": null,
+  "Name": "materials colors extractor",
+  "ElementResolver": {
+    "ResolutionMap": {}
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+  "Inputs": [],
+  "Outputs": [],
+  "Nodes": [
+    {
+      "ConcreteType": "DSRevitNodesUI.Categories, DSRevitNodesUI",
+      "SelectedIndex": 298,
+      "SelectedString": "OST_Materials",
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+      "Id": "82361ea37b8f480b9a9c6aa44d256946",
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+          "Name": "Category",
+          "Description": "The selected Category.",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
+      ],
+      "Replication": "Disabled",
+      "Description": "All built-in categories."
+    },
+    {
+      "ConcreteType": "DSRevitNodesUI.ElementsOfCategory, DSRevitNodesUI",
+      "NodeType": "ExtensionNode",
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+          "Name": "Category",
+          "Description": "The Category",
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+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
+      ],
+      "Outputs": [
+        {
+          "Id": "766690faf90546688c55c858372c5857",
+          "Name": "Elements",
+          "Description": "An element type.",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
+      ],
+      "Replication": "Disabled",
+      "Description": "Get all elements of the specified category from the model."
+    },
+    {
+      "ConcreteType": "Dynamo.Graph.Nodes.ZeroTouch.DSFunction, DynamoCore",
+      "NodeType": "FunctionNode",
+      "FunctionSignature": "Revit.Elements.Material.Name",
+      "Id": "9bc3e1e27cbb45728951ddfd22a5ff84",
+      "Inputs": [
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+          "Id": "cbe118db868f42d1a370c7bf3146b9d3",
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+          "Description": "Revit.Elements.Material",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
+      ],
+      "Outputs": [
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+          "Description": "string",
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+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
+      ],
+      "Replication": "Auto",
+      "Description": "Get Material Name\n\nMaterial.Name: string"
+    },
+    {
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+      "NodeType": "FunctionNode",
+      "FunctionSignature": "Revit.Elements.Material.Color",
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+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
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+      ],
+      "Outputs": [
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+          "Name": "Color",
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+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
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+      ],
+      "Replication": "Auto",
+      "Description": "Get color\n\nMaterial.Color: Color"
+    },
+    {
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+      "NodeType": "FunctionNode",
+      "FunctionSignature": "DSOffice.Data.ExportCSV@string,var[][]",
+      "Id": "dd25c5b04c9340e9bb49dffd83fddce2",
+      "Inputs": [
+        {
+          "Id": "111e679cda364599890248702dc2e8bb",
+          "Name": "filePath",
+          "Description": "Path to write to\n\nstring",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        },
+        {
+          "Id": "ff782123dbb34910ab53a2215025bb4c",
+          "Name": "data",
+          "Description": "List of lists to write into CSV\n\nvar[][]",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
+      ],
+      "Outputs": [
+        {
+          "Id": "35eeb281aa854a4e97037d19ec201593",
+          "Name": "void",
+          "Description": "void",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
+      ],
+      "Replication": "Auto",
+      "Description": "Write a list of lists into a file using a comma-separated values format. Outer list represents rows, inner lists represent columns.\n\nData.ExportCSV (filePath: string, data: var[][]): void"
+    },
+    {
+      "ConcreteType": "CoreNodeModels.CreateList, CoreNodeModels",
+      "VariableInputPorts": true,
+      "NodeType": "ExtensionNode",
+      "Id": "c6f071d61e1f4973b1969c1ef5c44b4e",
+      "Inputs": [
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+          "Description": "Item Index #0",
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+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        },
+        {
+          "Id": "fe3ced99d300429b8e19362c630d7efe",
+          "Name": "item1",
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+          "UsingDefaultValue": false,
+          "Level": 2,
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+          "KeepListStructure": false
+        }
+      ],
+      "Outputs": [
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+          "Name": "list",
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+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
+      ],
+      "Replication": "Disabled",
+      "Description": "Makes a new list out of the given inputs"
+    },
+    {
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+      "HintPath": "Z:\\output.csv",
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+          "Description": "Filename",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
+      ],
+      "Replication": "Disabled",
+      "Description": "Allows you to select a file on the system to get its filename"
+    },
+    {
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+          "Description": "The procedure used to map element",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
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+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
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+      "Replication": "Disabled",
+      "Description": "Applies a function over all elements of a list, generating a new list from the results."
+    },
+    {
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+        {
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+          "Name": "str",
+          "Description": "String to replace substrings in.\n\nstring",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        },
+        {
+          "Id": "f1b4f2a60d5441f1a9301be11df55761",
+          "Name": "searchFor",
+          "Description": "Text to be replaced.\n\nstring",
+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        },
+        {
+          "Id": "32559a3df173425898d21346e2bf01ad",
+          "Name": "replaceWith",
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+          "UsingDefaultValue": false,
+          "Level": 2,
+          "UseLevels": false,
+          "KeepListStructure": false
+        }
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+      "Outputs": [
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+          "UsingDefaultValue": false,
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+          "UseLevels": false,
+          "KeepListStructure": false
+        }
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+      "Replication": "Auto",
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+    },
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+      "NodeType": "StringInputNode",
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+    },
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+      "Id": "2eb1d77a4b304fbe899caf66d2f6ba7e",
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+      "Replication": "Disabled",
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+        {
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+      "Replication": "Disabled",
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+    "Camera": {
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