#### E.2.1 CSG primitive

The block geometry can be expressed using the constructive solid geometry model, expressing it as a CSG primitive.

| Figure E2 shows the block geometry represented by an CSG primitive. Proxy with IfcShapeRepresentation RepresentationType="CSG" with hyperlinks Proxy with IfcShapeRepresentation RepresentationType="CSG" source file
Figure E2 — Basic shape represented as CSG primitive |

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