If you haven't checked it out, Sprite_tm - who was behind this project - has a homepage with writeups of lots of other projects, which are all great reading: http://spritesmods.com/
Sprite_tm’s presentation at the 2017 Hackaday Superconference... “Small Fruit: Disembiggening the Macintosh Plus” (31 min.) → https://youtu.be/V-PiNVPp5h0