| Enumerator |
|---|
| StepGeom_bssfPlaneSurf | |
| StepGeom_bssfCylindricalSurf | |
| StepGeom_bssfConicalSurf | |
| StepGeom_bssfSphericalSurf | |
| StepGeom_bssfToroidalSurf | |
| StepGeom_bssfSurfOfRevolution | |
| StepGeom_bssfRuledSurf | |
| StepGeom_bssfGeneralisedCone | |
| StepGeom_bssfQuadricSurf | |
| StepGeom_bssfSurfOfLinearExtrusion | |
| StepGeom_bssfUnspecified | |
