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When working with long polylines and splines, you may find it desirable to have persistent grips to help with visibility and printing. This LISP routine will create “point” entities at ... Read more
Michael Partenheimer gives us a slick way to change xrefs in AutoCAD without losing your layer settings. First off, read the included TXT file that describes the process in detail.... Read more
Kent Cooper created this AutoCAD function in response to a question in the Autodesk customization forums. It's meant to be used or called from other LISP code with two argument... Read more
This tip from frequent contributor Kent Cooper is used to draw polynomial functions on the current layer in AutoCAD. The routine will draw the curve defined by a polynomial functio... Read more
Kent Cooper created this routine in response to a question in the Autodesk customization forums; the user wanted to trim AutoCAD objects where the cutting edge turned out to be 3D ... Read more
This routine from Jay Thomas is an excellent example of combining LISP code with a dialog box with graphics. Its purpose is to draw railing elevations in AutoCAD.
If you have a startup routine that sets certain LISP variables, and your fields point to these variables, it's possible that your fields won't get updated when you think they should.
This routine is an alternate to “Label Entity with Break,” also from Kent Cooper. That tip inserts a text string into an entity by physically breaking the entity. This ... Read more