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Utility Archive · 2026.03.02
[Lisp #243] RCB4 : Draw 4 Corner C-Bores in Rectangle

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1/ Command :

  • RCB4



2/ Description :
This tool automatically draws four counterbore holes (top view) inside a rectangle, one near each corner.

  • Automation: Simultaneously places four counterbore circles (top view) based on the rectangle's boundary.

  • Inputs: Requires defining the rectangle area (bottom-left and top-right), hole offsets, and diameters.


3/ How to Use :

  1. Type rcb4 in the command line and press Enter.

  2. Click the Bottom-Left Corner of the rectangle.

  3. Click the Top-Right Corner of the rectangle.

  4. Enter the Horizontal Offset (distance from corner to hole center).

  5. Enter the Vertical Offset (distance from corner to hole center).

  6. Enter the Small Diameter (Thru hole).

  7. Enter the Large Diameter (Counterbore).



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