LISP Utilities
454CB454CB.elfDraw 4 Diagonal C-Bores Outside Rect
Generates four counterbores at 45-degree offsets from a rectangle.
Description
This tool draws the top-down plan view of four counterbore holes inside a rectangle, positioned at 45-degree angles from the corners.
- Angular Counterbores
- Designed for mounting plates where bolt holes are located along the diagonal lines from the corners.
- Input
- Requires the rectangle's two corner points, offsets from the corner to the hole center, and the diameters for both the small (shaft) and large (head) circles.
- Auto-Layer
- Creates the center layer if it doesn't exist.
How to use
Four counterbore plans (with center lines) are drawn at 45-degree positions relative to the corners..
- 1.Type 454cb in the command line and press Enter.
- 2.Click the First Corner Point (PT1) of the rectangle.
- 3.Click the Second Corner Point (PT2).
- 4.Enter the Horizontal & Vertical Offset from the corner to the hole center (e.g., 15).
- 5.Enter the Small Circle Diameter.
- 6.Enter the Large Circle Diameter.
Example

Included free
All 401 LISP utilities come free with every Cadopilar license.
Purchase any Cadopilar license and our team will install the complete suite for you. No additional charge, no setup headaches.
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