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1/ Command :

• 1EXT

2/ Description :
This tool allows you to extend multiple lines simultaneously to a virtual reference line defined by two points.

• Concept: It creates a temporary (virtual) boundary line and extends　selected lines to meet it in one operation.

• Efficiency: Eliminates the need to draw a physical construction line and trim/extend individually.

3/ How to Use :

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

2. Click Point 1 (Start of the virtual reference line).

3. Click Point 2 (End/Direction of the virtual reference line).

4. Click Point 3, Point 4, etc. (Select the lines to extend).

5. The　selected lines will extend to the virtual line defined by PT1 and PT2.