IFC building model
Schema: "IFC4"
Description: "ViewDefinition[DesignTransferView]"
File name: "example.ifc"
Time stamp: "2022-01-01T22:39:37+01:00"
Preprocessor: "IfcOpenShell -61e510e4"
Originating system: "BlenderBIM 0.0.211117"
Authorization: "Nobody"

Units
  LENGTHUNIT: MILLI METRE
  AREAUNIT: MILLI SQUARE_METRE
  VOLUMEUNIT: MILLI CUBIC_METRE

Spatial structure
IFCPROJECT "My Project"
  IFCSITE "My Site"
    IFCBUILDING "My Building"
      IFCBUILDINGSTOREY "My Storey"
        contains 4 elements
          4 x IFCWALLSTANDARDCASE | names: "brick_whole_stretcher_210x110x50.001", "insulation", "concrete_blocks" (+1 more) | material: "brick"; "insulation"; "concrete"; layers "cavity_wall" ("concrete" 21., "insulation" 210., "brick" 110.)