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1/ Command :

• 454Cb

2/ 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.

3/ How to Use :

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.

7. Four counterbore plans (with center lines) are drawn at 45-degree positions relative to the corners..