Duplicate Curve and Project

Command

Shortcut

Alt + D

Button

Left of the command bar

Create a Curve projected onto the construction plane from a Curve or Edge. Single-axis constraints or Freestyle movement possible. Pivot is adjustable.

Activate the construction plane you want to project onto.
Select the Curve or Edge you want to duplicate.
Press Alt + D.
The move Gizmo appears and you can freely move the projected Curve.
- You can also limit the direction of movement.
  - Shift + X/ Shift + Y/Shift + Z X, Y, Z plane: Constrain to the X, Y, or Z-plane.
  - G Screen space: Constrains to the apparent plane.
  - F Freestyle: Constrains the direction by two points.
  - V Pivot: Constrains the direction by clicking on the plane.
  - W Worldspace: Releases the directional constraint.
Confirm with OK in the Command Dialog or right-click.

Delete Redundant Topology Extend