An application for AUTOCAD 2002-2010, which makes the triangulation of a set of POINT entities. The triangulation is performed on a convex hull of a set of points. You can triangulate million points!

LITIO - 3D Sheet metal unfolder
Sheet metal for AutoCAD. It calculates flat (unfolded) sheet development of ducts, rectangle to ound transitions, cylinders, cones, intersections, connections, bifurcations, elbows, etc. For HVAC, hoppers, cyclones, ducts, silos, piping, etc.

AutoQ3D Community
Start right away exploring 3D CAD with this Open Source Free 3D Editor released under the GNU GPL License

Home Plan Pro
Many CAD programs are designed for architects and engineers. These can be expensive, as well as hard to learn, and difficult to use. Home Plan Pro is designed to quickly and easily draw good-quality, straightforward designs.

Domus.Cad Mac
Domus.Cad is an architectural 3D CAD program. It is a tool for the design and modeling of architecture, interior, landscape, and urban spaces.

AutoDWG Attribute Extractor 2005
AutoDWG Attribute Extractor Help you batch extract attribute data from AutoCAD attribute blocks without need of AutoCAD. It supports most DWG formats including AutoCAD Release 9 through to the present AutoCAD 2002.