Suite Redux: Greg's Wade Extruder & Herringbone 9/47 Gears

I wanted openSCAD source for the Greg's Wade extruder so I could tweak how well components fit. Unfortunately, the available source didn't seem very user friendly as far as understanding the design and tweaking it. I also realized that adjusting the motor mounting holes was going to require an understanding of the herringbone gear designs, and the source I found for those also seemed lacking as far as useability.

Design files provided here reflect a pretty substantial overhaul of the open