MMU3 Automatic Loading Cassette

The Automatic MMU Buffer by firstgizmo works exactly as advertised, but I had trouble inserting the bearing into the drum and wanted to reuse the M3 nuts from the original cassette so I made the following changes:

- Updated Base model to use three (3) M3 nuts from the original MMU3 cassette for added security

- Updated Drum model to have increased tolerances for the bearing

See photos comparisons (original on the left, my upgrade on the right).

Compatible with original MMU3 buffer unit.

For additional parts (segmenter, cassette numbers, etc.) and/or instructions please refer to the original model .