Toolbar / Icon:
Menu: Draw > Line > Orthogonal
Shortcut: L, O
Commands: lineorthogonal | lo


This tool lets you create lines orthogonal to an existing base entity. The base entity can be a line, arc or circle.


  1. Choose the desired line type in the options toolbar.
  2. Click the existing base entity.
  3. Place the line with the mouse or enter a coordinate in the command line.