Here is a great lisp routine that lets you simply select an XREF and change all of the XREF’s layers to a specific color (color 253 in this case). This is useful in some of my work’s drawings because we … Continue reading →
You can export line types from an AutoCAD file to .lin file with LINOUT utility. Get the download link and how to use it here.
Rachid Khouri shares some good tips for good AutoLISP programming.