Here is a general conversion table showing how Pro/ENGINEER entities are mapped to the ones of think3 when converting a Pro/ENGINEER model to the think3 format.
| Pro/ENGINEER entity | thin3 entity to which it is converted |
| POINT | Not converted |
| GEOM_COMPOSITE_CURVE | NURBS curve |
| BSPLINE_CURVE | NURBS curve |
| ELLIPSE | 3D Ellipse or NURBS Curve, if the relevant option is checked |
| CIRCLE | 3D Arc or NURBS Curve, if the relevant option is checked |
| LINE | 3D Line or NURBS Curve, if the relevant option is checked |
| PARABOLA | Not converted |
| HYPERBOLA | Not converted |
| INTERSECTION_CURVE | Not converted |
| OFFSET_CURVE | Not converted |
| COMPOSITE CURVE | Set of independent curves |
| GEOM_PLANE | Plane |
| CYLINDER | Cylinder |
| BSPLINE_SURFACE | NURBS surface |
| SURF_OF_EXTRUSION | NURBS Curve |
| SURF_OF_REVOLUTION | NURBS surface |
| OFFSET_SURFACE | NURBS surface |
| CONE | NURBS surface |
| SPHERE | NURBS surface |
| TORUS | NURBS surface |
| SURF_FROM_CURVES | Not converted |
| RULED_SURFACE | Not converted |
| MANIFOLD_SOLID_BREP | Solid |
| INSTANCE | Instance component, if the Convert Hierarchy option is checked |
| PART (.prt) | X-Reference component, if the Convert Hierarchy option is checked |
| NAME | Component Name, if the Convert Hierarchy option is checked |
| HIDDEN COMPONENT | Hidden component, if the Convert Hierarchy option is checked |
| SUPPRESSED ASSEMBLY FEATURE | Not converted |
| MISSING COMPONENT | Not converted |
| COLOR | Converted |
| LAYER | Not converted |
| FONT STYLE | Not converted |
| WIDTH | Not converted |
| BLANK | Hidden component |