TechDraw ExtensionHoleCircle

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TechDraw ExtensionHoleCircle.svg TechDraw ExtensionHoleCircle

Menu location
TechDraw → Extensions: Centerlines/Threading → Circular pattern centerlines
Default shortcut
Introduced in version
See also
TechDraw ExtensionCircleCenterLines


The TechDraw ExtensionHoleCircle.svg TechDraw ExtensionHoleCircle tool adds centerlines to a circular pattern of circles.

TechDraw ExtensionHoleCircleExample.png

On the right a circular pattern with centerlines


  1. Optionally change the current line attributes with the TechDraw ExtensionSelectLineAttributes.svg TechDraw ExtensionSelectLineAttributes tool.
  2. Select three or more circles forming a circular pattern.
  3. There are several ways to invoke the tool:
    • Press the TechDraw ExtensionHoleCircle.svg TechDraw ExtensionHoleCircle button.
    • Select the TechDraw → Extensions: Centerlines/Threading → TechDraw ExtensionHoleCircle.svg Circular pattern centerlines option from the menu.
  4. The centerlines are added.