I am looking for a complete lsp file to allow me to create duct work such as elbow 1, 1.5 and 2, duct run take off flex duct and etc. this is for 2006 autocad I'm horrible with computer I'm hoping someone can give me a complete file.Thanks

So, Ray, you are looking for a custom lisp program to help you with your ductwork?Here's one you can try.>uploads/165260/WPIPE.LSP
John Connor2014-01-20 13:27:28