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.

Сведения об этой версии

Версия 1.2.1, 13.06.2022
Added AutoCAD 2023 support. Minor change in the source code.

Скриншоты и видео

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3 оценки
Техническая поддержка
  • Very good!
    Kaha251184 Чудин | января 14, 2019 Проверенная загрузка (Что это такое?)


  • Genius
    Diep Khoi | октября 25, 2018

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

    Thank so much

  • gwonderful addition to saving time
    Diab Fathy | июня 12, 2016 Проверенная загрузка (Что это такое?)

    wonderful addition to saving time