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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

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



  1. Buzz says:

    looks to be just a copy of this:

  2. schlem says:

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

  3. Dirk says:

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

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