Left-side AMS Buffer

I needed to relocate the AMS to the left side of my printer, while maintaining a good path for the PTFE tube. Simple 2 part solution that allows the AMS buffer to be removed from the back of the printer, and then placed closer to the filament entry point. I used heat-set nuts to take the M3 bolts originally used to hold the buffer on the back of the printer. Then used two M3 x 30 and washers to mount the stand-off and backplate into place of the 2 case screws near the filament entry point. The c