The Great Tinkertoy Computer [1] is made from raw materials, although its specific rather than a general purpose computer, and had computer aided design althoug

The Great Tinkertoy Computer [1] is made from raw materials, although its specific rather than a general purpose computer, and had computer aided design although back in the day it was via a PDP-10. [1] https://www.computerhistory.org/collections/catalog/X39.81 https://www.computerhistory.org/collections/catalog/X39.81