Circular
- AbsoluteRadius
- CenterAbsoluteX
- CenterAbsoluteY
- CenterAbsoluteZ
- CenterIncrementalX
- CenterIncrementalY
- CenterIncrementalZ
- CenterX
- CenterY
- CenterZ
- CircleNormalI
- CircleNormalJ
- CircleNormalK
- Direction
- DirI
- DirJ
- DirK
- EndIncrementalX
- EndIncrementalY
- EndIncrementalZ
- EndX
- EndY
- EndZ
- IsG17
- IsG18
- IsG19
- IsHelical
- NumberOfTurns
- Plane
- PlaneNormalI
- PlaneNormalJ
- PlaneNormalK
- Radius
- TotalAngle