And so this completes all 3 32 bit printer reworks. I now have 2 custom multi material printers. After I am done cleaning my workspace from all the hardware and tools and stuff and put away the soldering station I will turn my focus to understanding how to use S3D with the MMU2S and the Diamond hotend. And then once my machines are printing with multiple materials I will turn my focus to trying to understand how to make multi material objects. Here is my revived 3 Color Mixing Printer completed..