| Pro/Web. Link Surface Type | Pro/Web. Link Surface Type Code | Code of Surface with Round |
| SURFACE_PLANE | 0 | 0 next to 1 |
| SURFACE_CYLINDER | 1 | 1 next to 3 |
| SURFACE_CONE | 2 | - |
| SURFACE_TORUS | 3 | - |
| SURFACE_RULED | 4 | - |
| SURFACE_REVOLVED | 5 | - |
| SURFACE_TABULATED_CYLINDER | 6 | 6 next to 7 |
| SURFACE_FILLET | 7 | - |