Check out my digital circuit simulator at kretsim.se .
The 3D printer runs hot in this episode. The parts of the casing is printed, mounted and painted.
This is a part of the video series for the Alt6502 project. This project takes the Altair 8800 design, changes some historic circumstances and design decisions, and tries to construct the ideal 70's hobbyist 8-bit machine, based on the 6502.