This gearbox by Ultimaker power user Barnacules consists of a triple planetary gear, 3D-printed with support material that is cut off after the print. Then it’s ready to screw together — I really love those threads … [via Ultimaker]

John Baichtal

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal

  • Buzz

    looks to be just a copy of this:

  • schlem

    Each step is 1:4… 4 cubed is 64, thus your end reduction is 64:1. QED

  • Dirk

    I really appreciate the enthusiasm of this guy. But shouldn’t he be able to calculate the reduction himself?