| Reference | R | Reference surface to take properties from | Brep |
| Target | T | Target surface to superimpose properties onto | Brep |
| Points U | uP | Superimpose the {u} control points from reference surface to target surface | Boolean |
| Points V | vP | Superimpose the {v} control points from reference surface to target surface | Boolean |
| Degree U | uD | Superimpose the {u} surface degree from reference surface to target surface | Boolean |
| Degree V | vD | Superimpose the {v} surface degree from reference surface to target surface | Boolean |
| Domain U | uI | Superimpose the {u} surface domain from reference surface to target surface | Boolean |
| Domain V | vI | Superimpose the {v} surface domain from reference surface to target surface | Boolean |
| Trims | rT | Superimpose the trims from reference surface to target surface | Boolean |