Hi,

This is CADian.

We have prepared 400+ Lisp programs to aid your CAD experience, free of charge!

Full List of all CADian Lisps : [Full CADian Lisp List]

How to Install : [CADian Lisps Download & Install Guide]

====================================================

1/ Command :

• 4C

2/ Description :

This tool automatically creates a pattern of 4 small circles (e.g., bolt holes) around a center point, complete with centerlines.

• Instant Pattern : Draws four evenly spaced circles around a central origin in one go.

• Auto-Centerlines : Automatically generates the necessary centerlines for the pattern.

3/ How to Use :

1. Type 4C in the command line and press Enter.

2. Specify the Center Point of the main (central) circle.

3. Enter the Radius for the Pattern (distance from the main center to the center of the small circles / Bolt Circle Radius).

4. Enter the Radius of the Small Circles (hole size).

5. The 4 circles and their centerlines are drawn immediately.