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Print in Place Chain Demo Toy

Print in Place Chain Demo Toy, design preview, hero tilt

Design preview. Rendered from the file, not a photo.

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What it does

  • Working chain prints in one piece, no assembly needed
  • Edit the OpenSCAD source for custom width and length
  • A satisfying desk fidget and engineering demo
  • Sparks conversation in classrooms and offices
  • A simple gift for makers, students, and engineers

You lift the chain off the print bed and it flexes like a real chain. No glue, no rivets, no assembly. This print-in-place chain works as a satisfying maker demo and a quiet desk fidget at the same time.

The OpenSCAD source lets you customize the chain width, height, and length, so you can scale it from keychain size to a full belt for a maker bench display. Edit a few parameters, slice, print, and the new size is ready.

Use it as a STEM teaching aid, a desk fidget, or a small gift for a maker friend.

1.2k downloads in the maker community. That is interest in the design on the site it came from, not our sales.

What you get

  • This design prints as one piece.
  • Nothing else to print or buy for this to work.

What it is made of

Designs like this print well in PLA. Compare the materials.

Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.

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Who made this design

Designed by peanut. We did not draw it.

Shared under GNU GPL. See the original design