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Utility Archive · 2026.02.13
[Lisp #31] EC4 : Draw 4 Corner Circles in Rectangle

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1/ Command :

  • EC4



2/ Description :

This tool automatically draws 4 circles (holes) inside a rectangle, one near each corner, with precise offsets.

  • Symmetrical Pattern : Places four holes symmetrically, all equidistant from their respective corners.

  • Auto-Scaling Centerlines : Automatically creates the CENTER layer (if missing) and adjusts the linetype scale (CELTSCALE) based on the circle's diameter to ensure visibility.



3/ How to Use :

  1. Type EC4 in the command line and press Enter.

  2. Specify the Bottom-Left corner of the rectangle.

  3. Specify the Top-Right corner of the rectangle.

  4. Enter the X Distance (Offset) from the corner to the circle's center.

  5. Enter the Y Distance (Offset) from the corner to the circle's center.

  6. Enter the Diameter of the circles.

  7. The tool instantly draws the 4 circles and their centerlines.





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