IFC building model
Schema: "IFC4"
Description: "ViewDefinition[DesignTransferView]"
File name: "Materials_multiple_per_object_02.ifc"
Time stamp: "2022-09-08T14:47:31-05:00"
Preprocessor: "IfcOpenShell v0.7.0-dc67287d"
Originating system: "BlenderBIM 0.0.220905"
Authorization: "Nobody"

Units
  PLANEANGLEUNIT: degree (conversion based)
  AREAUNIT: SQUARE_METRE
  VOLUMEUNIT: CUBIC_METRE
  LENGTHUNIT: METRE

Spatial structure
IFCPROJECT "My Project"
  IFCSITE "My Site"
    IFCBUILDING "My Building"
      IFCBUILDINGSTOREY "My Storey"
        contains 1 element
          1 x IFCBUILDINGELEMENTPROXY | COMPLEX | names: "Cube" | material: constituents ("Testy_Material_2", "Testy_Material_1")