gCAD3D is a 3D CAD CAM application that features an integrated 3D OpenGL viewer, a program interpreter for geometry and NC-commands in 3D, an integrated NC-processor, and a programming interface for user programs. It has support for both importing and exporting STEP, IGES, DXF, and VRML files.This application requires GTK+ version 3.0.x. or 2.0.x. Other dependencies includeglibc 2.3.3, GTK+2 and Mesa.