Links
You can find some interesting routines in these websites:
Cadtoppers (Link broken at moment)
A CAD forum for dutch speaking users.
HasanCAD ; Hassan's Youtube channel
Very useful AutoCAD hints and tools for Arabic speaking users.
Useful add-ons.
Chain Draw a chain like drawing a line. From point to point to point.
Layouts Select a layout from a list box. Handy when there are too many layouts.
Rolling_Ball Find the mid-boundary between two polylines. Verion 4+ now available.
A good place to find some free and useful routines
AutoCAD Civil 3D blog in Czech. Here is a brief introduction of CAD KITS.
A good place to learn AutoLISP for AutoCAD productivity.
Convert lsp file into a des file which can be used in BricsCAD.
Make your own cards and send it out!
Make Voronoi tessellation!