| Curve | C | Curve to scale | Curve |
| Plane | Pl | Base plane for center and orientation of scaling | Plane |
| Length | L | Length to scale the curve to | Number |
| Factor X | x | Proportion scale factor in the plane {x} direction (use the same value for {x},{y}, and {z} for uniform scaling) | Number |
| Factor Y | y | Proportion scale factor in the plane {y} direction (use the same value for {x},{y}, and {z} for uniform scaling) | Number |
| Factor Z | z | Proportion scale factor in the plane {z} direction (use the same value for {x},{y}, and {z} for uniform scaling) | Number |