Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects

4 Responses to “3D printed springy bracelet”

  1. nowimnothing says:

    Just curious from a 3D noob, was the printer printing another one? If so do you have to make some cuts/twisting to make it into the final shape or can you print it in that final shape to start with? Hope that makes sense.

  2. John Abella says:

    The source file for that comes from here: – it’s a great, fast print for giveaways.   And yeah, nothing needs to be cut / twisted when it’s finished.  

  3. ymendel says:

    We just got a 3D printer at work (mentioned on Make’s blog at, even), and this is actually one of the samples that came on the included SD card. It’s a pretty impressive piece of design connected with the characteristics of the material.

  4. clmensch says:

    I got one of these at the Makerbot Store opening.  One thing to say about it…it’s quite sharp and actually scraped up my wrist after prolonged wear.

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