A simple 3D framework in C++
A project that has moved to GitHub
Open Source Solid Modeling CAD
LDraw™ editor for LEGO® style digital building instructions.
Rayshade raytracer
Source code for efficiently rendering parametrically defined surfaces
3D Software Renderer in 700 Lines
A really simple (following K.I.S.S statement) ray tracing project.
A small simple system for 3d line drawings in LaTeX.
Megalui: 2D/3D OpenGL & C/C++ Library for Scientific Visualizations
An OpenGL sample application
Quick project: Phong, Gouraud, Flat shading program (wire-frame also)
A Tcl/Tk widget for OpenGL rendering.