Hello Every One,
Today I will show you how to draw Round Radius Elbows In Ducts, using LISP.
Download the required lisp from here then add it to Autocad Lisps and run the Lisp by typing "ee" in the command bar then do as show below:
1-After running the lisp it will ask you to:
-pick the outer side of the main duct.
-pick the inner side of the main duct.
-pick the inner side of the branch duct.
-pick the outer side of the branch duct.
2-Pick lines as shown in screenshot below:
3-After choosing lines as described above the lisp will draw the elbow for you !
For more illustration see the video below:
Download the Lisp from here
Note: you can use this lisp to draw other duct fittings like duct tee,duct branch with 45°take-off and duct branches with two elbow in same direction for more details see the below link
-To download more Lisps for HVAC Design drawings go to:
-If you get any error when extracting the compressed file download the latest winrar Version
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