Motor Gearbox Reduction 1:6.5

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how to assemble the gearbox:

This is a gearbox for various motors. I designed the gearbox to test how durable 3D printed gears are. So the test is a part of a bigger project that I am working on. Maybe someone will find this project usefull. It's Easy to print and assemble and the gearbox runs really good. The gearbox has a reduction of about 1:6.5. This gives you a higher torque 

  • 1. gearstage 15 to 35 teeths --> ratio of 2.33 
  • 2. gearstage 15 to 42 teeths --> ratio of 2.80

==> You coud use it with DC or Brushless motors with a mount diagonal of 19mm or 16mm or you could add other holes.

additional parts: 

  • 1x Motor
  • 2x M3 or M2 countersunk screws for motor 
  • 2x M3x10mm countersunk screws for case 
  • 1x M2x6mm screw 
  • 2x M2 screws to fix the gears gear 
  • 1x 3mm axis or M3x10mm screw 
  • 2x bearing 623zz 3x10x4mm 
  • 1x bearing MR63zz 3x6x2.5mm

discover my other designs:

Design Files

File Size

417 KB
1.3 MB
1.36 MB
543 KB
548 KB


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