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Utility Archive · 2026.02.12
[Lisp #15] CBORE : Draw Counterbore

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1/ Command :

  • CBORE



2/ Description :

This tool automates the creation of Counterbore holes, a frequent task in mechanical drafting.

  • Dual View Generation : Automatically draws both the Side View (Cross-section) and the Top View (Plan view) simultaneously.

  • Full Angle Support : Capable of generating counterbores at any angle, not just vertically.



3/ How to Use :

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

  2. Specify the Bottom Center Point (The starting point of the hole).

  3. Specify the Direction of Counterbore

  4. Enter the Bottom Diameter (Drill diameter).

  5. Enter the Bottom Length (Drill depth).

  6. Enter the Top Diameter (Counterbore diameter).

  7. Enter the Top Length (Counterbore depth).

  8. The tool instantly generates the complete counterbore geometry (Side + Top views).
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