Toolbar / Icon:
Add-on:  QCAD Professional
Menu: Dimension > Tolerance
Shortcut: T, O
Commands: tolerance | to


Creates a feature control frame typically used for geometric tolerances or datum identifier symbols.


  1. After starting this tool, the Geometric Tolerance dialog is shown.
  2. Choose the desired tolerance symbol and fill in the tolerance values and datum reference letters as desired. To create a datum identifier symbol (for example [A]), only fill in the field "Datum Identifier".
  3. Click OK.
  4. Click the location for the feature control frame.
  5. Click the right mouse button or press the Escape key to terminate the tool.