You can find and download LISP routines from various websites, including the Autodesk App Store, CADTutor, and Lee Mac's website. To ensure that the LISP routine works with your version of AutoCAD, you should check the compatibility requirements before downloading. Many LISP routines are specific to certain versions of AutoCAD, and using an incompatible LISP routine may result in errors or crashes. Once you have downloaded the LISP routine, you can load it into AutoCAD by using the APPLOAD command. Simply browse to the location of the LISP file, select it, and click the "Load" button. After loading the LISP routine, you can use its functions by typing the name of the routine at the command line. If you're having trouble using a LISP routine, it's possible that there may be a compatibility issue or you may need to adjust your AutoCAD settings. You can also try contacting the developer or the AutoCAD support team for further assistance.
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