The following table lists the valid IGES entities for import into Autodesk Simulation
| Number | Description |
|---|---|
| 100 | Circle/Arc (curve for trimming) |
| 102 | Composite Curve (list of curves for trimming) |
| 104 | Ellipse (curve for trimming) |
| 106 | Copious Data (for some CAD Systems, interpreted as a curve) |
| 110 | Line (curve for trimming) |
| 112 | Parametric Spline Curve (curve for trimming) |
| 114 | Parametric Spline Surface |
| 116 | Point (used for 190) |
| 118 | Ruled Surface |
| 120 | Surface of Revolution (some CAD systems incorrectly specified the beginning and ending angles in early files) |
| 122 | Tabulated Cylinder Surface |
| 123 | Direction (used for 190) |
| 126 | NURB Curve (curve for trimming) |
| 128 | NURB Surface |
| 140 | Offset Surface (can be applied to any surface type) |
| 141 | Boundary Entity |
| 142 | Curve on Parametric Surface (basic trimming curve) |
| 143 | Bounded Surface |
| 144 | Trimmed Surface |
| 190 | Parametric Plane |