Altium Designer Documentation


Created: June 10, 2016 | Updated: April 11, 2017

Parent page: CAMtastic Commands

The following pre-packaged resource, derived from this base command, is available:

Applied Parameters: CommandMode=CAM


This command is used to place circle objects onto the current document. The circle is drawn using a center point and a graphically defined radius.


This command can be accessed from the CAMtastic Editor by:

  • Choosing the Place » Circle » Center, Tangent Point command from the main menus.
  • Clicking the  button, on the Placement Tools drop-down () of the Utilities toolbar.


After launching the command, you will enter circle placement mode. Placement is made by performing the following sequence of actions:

  1. Position the cursor at the required position and click to define the center point for the circle.
  2. Move the cursor to define the radius of the circle. As you move the cursor, a line appears to visually define the radius. When the radius is the required size, click again to complete placement of the circle.
  3. Continue placing further circles or right-click, or press Esc, to exit circle placement mode.


  1. Circles will be drawn using the current DCode. Set the required DCode in the DCode field on the CAMtastic panel.
  2. Circles will be drawn on the current layer. The current layer is displayed on the CAMtastic panel at the top of the layers list. Double-clicking on any layer in the layers list will cause it to become the current layer.


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