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Utility Archive · 2026.02.26
[Lisp #161] C4C : Draw 4-Hole Bolt Circle with Base

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1/ Command :

  • C4C



2/ Description :
This tool automatically draws one large central circle surrounded by four smaller circles arranged symmetrically, including their centerlines.

  • Efficiency: It combines multiple drawing steps (circles, arrays, and centerlines) into a single command sequence.

  • Compatibility: This is a dedicated CADian Lisp tool and works only within CADian.


3/ How to Use :

  1. Type C4C in the command line and press Enter.

  2. Click the Center Point for the main circle.

  3. Enter the Radius of the Large Circle.

  4. Enter the Radius for the Placement of the small circles (the distance from the center to the small circles).

  5. Enter the Radius of the Small Circles.

  6. The complete geometry (large circle + 4 small circles + centerlines) is drawn automatically.



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