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Henry Segerman designed this triple gear construct and printed it at Shapeways.

If you take three ordinary gears and put them together so that each gear meshes with the other two, then none of the gears can turn because neighbouring gears must turn in opposite directions. Triple gear avoids this problem by having the three “gears” arranged like linked rings – the gears then rotate along skew axes, and the opposite direction rule no longer applies

[via Shapeways]

2013 MAKE Ultimate Guide To 3D Printing

  • 3D Printers Buyer's Guide — 15 Reviewed
  • Getting Started in 3D
  • Learn the Software Toolchain
  • 3D Design for Beginners
  • 3D Printing without a Printer

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Just Released! 2014 MAKE Ultimate Guide To 3D Printing

John Baichtal

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


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