| Name | ID | Description | Type | 
|---|---|---|---|
| StartProfile | S | Planar Brep (with voids), or Curve that is closed and planar | Geometry | 
| EndProfile | E | Parrallel Planar Brep (with voids), or Curve that is closed and planar | Geometry | 
| Name | ID | Description | Type | 
|---|---|---|---|
| IfcExtrudedAreaSolidTapered | E | IFC Extruded Area Solid | Geometry | 
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