| DDMODIFY | Controls properties of existing objects |
| EXTEND | Extends an object to meet another object |
| LENGTHEN | Lengthens an object |
| PEDIT | Edits polylines and three-dimensional polygon meshes |
| SCALE | Enlarges or reduces selected objects equally in the X, Y, and Z directions |
| SPLINEDIT | Edits a spline object |
| STRETCH | Moves or stretches objects |
| TRIM | Trims objects at a cutting edge defined by other objects |
| EDGEMODE | Controls how TRIM and EXTEND determine cutting and boundary edges |
| SPLFRAME | Controls display of spline-fit polylines |
| SPLINESEGS | Sets the number of line segments to be generated for each spline-fit polyline |
| SPLINETYPE | Sets the type of spline curve to be generated by PEDIT Spline |