He surrounded the processor with a number of support chips ... etched his own printed circuit board (PCB) for his computer. DIY PCBs with surface mount components are easy these days, but things ...

Anyway, back to this cube. The video is amazing; the DIY CPU looks more like a nuclear reactor control panel than an 8-bit processor. James uses it to display a rotating cube in real-time ...

[Jack Eisenmann] is no stranger to building impressive DIY CPU’s on vast stretches of breadboard. This time [Jack] has done away with the seventeen breadboards he used in his last 8-bit computer ...