This animation won 2nd Prize in the Atari Canadian Exposition, 92. These animations were done with a ray tracing program I wrote using GFA BASIC

Here are floppy disk images for an Atari ST emulator such as STEEM.  These disk images are in .STT format. Load Disk Image 1 first and run ACE92.PRG

Cylinder Boink Disk Image 1

Cylinder Boink Disk Image 2