(There's no video for Mr. Cycloid yet. Please contribute to MR and add a video now!)
Mr. Cycloid is a spirograph for 1980's early B&W Macs.
MrCycloid.sit (15.07 KiB / 15.43 KB)
Mr. Cycloid / compressed w/ Stuffit
Mac OS 1.x - Mac OS 4.x
Note: Crashes anything above System 4.
Emulating this? It should run fine under: Mini vMac