Download Lisp Files for HVAC Design Drawings
What is the AutoLISP ?
AutoLISP is based on the LISP programming language, which is simple to learn and very powerful. Because AutoCAD has a built-in LISP interpreter, you can enter AutoLISP code at the Command prompt or load AutoLISP code from external files.
AutoLISP is an application interface for automating of design tasks. When an AutoLISP application is loaded, it functions in its own namespace for each drawing that is open. A namespace is an insulated environment keeping AutoLISP applications that are specific to one drawing from having symbol or variable name and value conflicts with those in another drawing. For example, the following line of code sets a different value to the symbol a when executed in each open drawing.
| Lisp Name | Lisp Function Description | Lisp Run Command | Download Lisp File |
|---|---|---|---|
| Area | Used To Calculate the Area of any Shape(rooms, spaces,..etc) in Autocad 2D plans | AA | Download |
| Flexible | Used To Draw a Flexible Duct Connection like the Connection Between the duct and Air Outlet in Autocad 2D plans |
FLEX | Download |
| ADD | Used To Add Numbers and Show The Sum in Autocad 2D plans | ADD | Download |
| Duct Fittings | Used To Draw all Important Duct Fittings Like Elbows,Take-Off and Tee Branch in Autocad 2D plans  
 |
EE for Elbows, TT for Take-offs, TB for Tee Branch & TE for Tee Branch with two Elbows | Download |
| Duct and Pipe | Used To Draw Multi-line HVAC Ducts and Pipes in Autocad 2D plans |
"duct" to draw Ducts "Pipe" to draw Pipes. | Download |
For more illustration about how to use these Lisps go to our YouTube channel :
HVAC WORKS-Learn&Practice---->>
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ReplyDeletehi i found ur site through ur video in youtube its so helpful for me will u please update the link for download lsp of those hvac duct works,
ReplyDeletePlease update the lisp links as they are incorrect.
ReplyDeleteHi!! Excelent work.. Thanks so much. I´ve got a problem with te file Duct Fittings. When i click to download the file is ADD.lsp.... Can you resolve this mistake?? Reggards
ReplyDeleteAll those lisp files and advanced other lips collections are also available here https://youtube.com/playlist?list=PLNdSpiXx6Hpl4XxYDKr6eOUWZRJBB5VZX&si=UYXBes4F7jwoRrGm
ReplyDelete