Adding a corner

  1. Move the helpers to the object where you want to add a corner.
  2. Move the helpers between the edges where you want to insert a corner.
  3. Place the architect to the point where you want to add a corner.
  4. On the Model menu, click Add a corner.

More details here:

See also: Create objects | Headsup CommandLine | Rotate Precisely | Free rotation | Delete | Free Dragging | Delete a corner | Add a corner | Shift a corner | Undo | Redo | Precise move | Stretch Side | Extrude Side | Edge Type | Step Size | Advanced methods for setting attributes of an object | Searching Objects and Classes