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1/ Command :

• AHID / ACEN / A0

2/ Description :

This tool is designed to easily project and draw Hidden Lines, Center Lines, or Visible (Outline) Lines on a front or side view based on the geometry of a plan view (e.g., projecting a hole).

• Smart Projection : You can pick a point on the plan view and instantly draw the corresponding line on the view below or beside it.

• Auto-Snap : The tool automatically applies the Perpendicular (PER) Osnap to ensure straight projection lines.

• Layer Handling :

• AHID: Draws on the Hidden layer.

• ACEN: Draws on the Center layer (and extends slightly past the boundary).

• A0: Draws on the 0 (or Outline) layer.

3/ How to Use :

1. Type the desired command:

• AHID for Hidden Lines.

• ACEN for Center Lines.

• A0 for Visible Lines.

2. Click the Source Point on the plan view (e.g., the quadrant of a hole).

3. Click the Top Boundary of the target view.

4. Click the Bottom Boundary of the target view.

5. The line is drawn automatically between the boundaries on the correct layer.

• Note: If using ACEN, the line will automatically extend slightly outward to follow standard center line drafting practices.