These are demos by Lexicor Software Corporation
The finished programs are available, Xenomorph/Phoenix is an Object Renderer
that can produce very realistic graphics and pictures.

Raystart is a Raytracer with a 3D Studio type Interface

Prism Paint II is a paint and animation package

Chronos-3D is a Keyframe Animator

For more information via Internet:

Contact Lexicor@world.std.com or lexicor@cs.bu.edu