7cad Lisp

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This is a collection of 3 nice commands I often use.


1. CA: copy objects in an array-like way.

I like using this instead of the array command. In most simple cases it works. You can create an array of grid lines, or rebars, etc. at various spacing using this command.


2. RA: This is similar to CA command, except now you are rotating objects.



This command is for steelwork. Select purlin lines and enter lapping length. The code will automatically find crossing lines (they can be columns or beams or trusses) and break each purlin at every intersection point, extend each purlin to both sides a distance exactly equal to your specified lapping length.

More interesting, run this and select purlin lines once again, but now enter new lapping length. It still works!



  • the spacing between 2 purlins is scaled to your current dimension text height.

  • to have your column or beamlines auto-selected, their linetypes should be continuous.

  • in the screenshot, I lock layers except the purlin layer. Therefore, I can select purlins quickly by 1 crossing window.

Informationen zu dieser Version

Version 1.2, 24.03.2021
Added AutoCAD 2022 support

Screenshots und Videos


3 Bewertungen
Technische Hilfe erhalten
  • Very good!
    Kaha251184 Чудин | Januar 14, 2019 Geprüfter Download (Was ist das?)


  • Genius
    Diep Khoi | Oktober 25, 2018

    Looking for a tool like Sketchup copy-array. Now I for you!

    Thank so much

  • gwonderful addition to saving time
    Diab Fathy | Juni 12, 2016 Geprüfter Download (Was ist das?)

    wonderful addition to saving time

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