Nema 17 5:1 Planetary Gearbox
thingiverse
I remixed Jag's gearbox changing two things. I made the sun a little shorter as I had fit issues with his and I changed the planets to use 6 MR63-ZZ (3 x 6 x 2.5 mm) Ball Bearing (http://amzn.to/1Yr8dKi) as I had these already. The rest of the parts are the same. you need 1 of each part except the planets, which you need three of Print Settings Printer Brand: RepRap Printer: folgertech 2020 i3 Rafts: No Supports: No Resolution: .3 Infill: 30% Notes: printed with PET-G
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