The following table lists the AutoCAD entities tabulated against the corresponding IGES entities they are translated to.
| DWG to IGES Conversion Table |
|---|
| AutoCAD Entity | IGES Entity |
|---|
| Type | Form | Name |
|---|
| 3D Face | 143 | | Boundary surface |
| 3D Solid | 186 | | Manifold solid BRep object (MSBO) |
| Arc | 100 | 0 | Circular arc |
| Arc with thickness | 143 | 0 | Boundary surface |
| Block Reference | | 408 | Singular subfigure instance |
| Body | 128/144 | | Rational B-spline surface, trimmed surface |
| Circle | 126 | 0 | Circular arc |
| Circle with thickness | 143 | 0 | Boundary surface |
| Color | 314 | | Color definition |
| Ellipse | 104 | 1 | Ellipse |
| Layer | 406 | 3 | Level function property |
| Line | 110 | 0 | Line |
| Mline | 110,100 | | Exploded into lines and circular arcs |
| Point | 116 | | Point |
| Polyface mesh | 143 | | Bounded surface |
| Polygon mesh | 143 | | Bounded surface |
| Polyline 2D | 126 | | Rational B-spline curve |
| Polyline with thickness | 143 | | Bounded surface |
| Polyline 3D | 126 | | Rational B-spline curve |
| Ray | 110 | | Line |
| Region | 143 | | Boundary surface |
| Spline/Helix | 126 | | Rational B-spline surface |
| SubD mesh - water tight | 186 | | Manifold solid BRep object (MSBO) |
| Surface | 143 | | Boundary surface |
| Trace | 143 | 0 | Boundary surface |
| Xline | 110 | | Line |
| Xref | 408 | | Singular subfigure instance |