Technology Student
Technology Student: Computer Numerical Control (Cnc)
This site describes how Computer Numerical Control (CNC) machines work and how they are used in computer-aided manufacturing (CAM).
Other
The Ultimate Cad Directory
An endless resource of various CAD related topics. Links to articles, events, jobs, and much more.
AulaClic
Aula Clic: Curso De Auto Cad
Learn autoCAD step by step with this free tutorial. It has many screen shots and video tutorials.