Teigha.
 | 
| Class | Description | |
|---|---|---|
| CompoundCurve2d | AEC 2D Curve. Contains linear or circular segments only. | |
| Profile | AEC Profile. Contains the array of loops. Some of these loops are considered as holes. | |
| Ring | AEC 2D ring that is a closed 2D curve. | |
| RingCollection | This class represents a collection of rings. | |
| Segment2d | Base class for AEC 2D Segments. | |
| Segment2dCollection | This class represents a collection of 2D segments. |