TechDraw ExtensionDrawCosmArc

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TechDraw ExtensionDrawCosmArc

Menu location
TechDraw → Extensions: Centerlines/Threading → Add Cosmetic Arc
Default shortcut
Introduced in version
See also
TechDraw ExtensionDrawCosmCircle


The TechDraw ExtensionDrawCosmArc tool adds a cosmetic counter clockwise arc based on three vertexes.

On the right an added cosmetic arc


  1. Optionally specify the line attributes with the TechDraw ExtensionSelectLineAttributes tool.
  2. Select the first vertex to determine the center point of the arc.
  3. Select the second vertex to determine the radius and the start angle of the arc.
  4. Select the third vertex to determine the end angle of the arc.
  5. There are several ways to invoke the tool:
    • Press the Add Cosmetic Arc button.
    • Select the TechDraw → Extensions: Centerlines/Threading → Add Cosmetic Arc option from the menu.
  6. A cosmetic arc is added.