- Activate the boundary where you want to change an edge.
- Select the Edge grip for the edge you want to change.
- Specify the new edge location:
If you want to… Then… offset the edge move the edge to the desired location and click, or enter a value and press Enter. add a vertex and create an edge press Ctrl to switch to the Add Vertex edit mode. Move the edge to the desired location and click, or enter a value and press Enter. change a selected edge to an arc/change a selected arc to a line press Ctrl twice to switch to the Convert to Arc/Convert to Line edit mode. Stretch the midpoint to the desired location and click, or enter a value and press Enter. offset all edges at an identical distance press Ctrl for 3 times to switch to the Offset All edit mode. Move the selected edge to the desired location for all edges and click, or enter a value and press Enter. - Right-click, and click Deselect All to turn off grips.