Akbar Posted December 11, 2023 Share Posted December 11, 2023 (edited) Hi every one, I'm newbie in lisp and Autocad, I have simple drawing with lisp includes some boxes and cylinder and i want to subtract some cylinder from box My code look like this : (command "box" "0, 0, 0" "16, 400, 1084") (command "cylinder" "24,28,16" "4" "-11") (command "cylinder" "24,72,16" "4" "-11") (command "cylinder" "40,108,16" "5" "-10.3") How can subtract these cylinder form box? Thanks for any help Akbar Edited December 12, 2023 by fuccaro Thread title adjusted Quote Link to comment Share on other sites More sharing options...
BIGAL Posted December 11, 2023 Share Posted December 11, 2023 Think of it like this as you make each solid remember it (setq sol1 (entlast)) ie box, then when you use the subtract command you can use the entitiy names in the correct sequence. Have a go rather than us providing an answer. (command "extract" sol1 .......................) 1 Quote Link to comment Share on other sites More sharing options...
paulmcz Posted December 12, 2023 Share Posted December 12, 2023 13 hours ago, Akbar said: Hi every one, I'm newbie in lisp and Autocad, I have simple drawing with lisp includes some boxes and cylinder and i want to subtract some cylinder from box My code look like this : (command "box" "0, 0, 0" "16, 400, 1084") (command "cylinder" "24,28,16" "4" "-11") (command "cylinder" "24,72,16" "4" "-11") (command "cylinder" "40,108,16" "5" "-10.3") How can subtract these cylinder form box? Thanks for any help Akbar You can't subtract these 3 cylinders from the box. The cylinders are outside the box. They do not interfere with the box. Quote Link to comment Share on other sites More sharing options...
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