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Spotted at the recent Cedar Rapids Mini Maker Faire by Steve Hoefer. Looks like a piece of hardboard with a circular hole in it, lined with bike chain, to make an improvised “ring gear,” with variously-drilled chain gears and sprockets that roll around inside it to guide the pens. A similar idea was published by Instructables user hunrichs back in 2008, but I don’t think this is the same maker, and I don’t think Steve managed to get his or her name. Can somebody help us out? Who made this?

Mini Maker Faires Are Just as Great as Full Maker Faires

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Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.


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  1. Luis says:

    I was there (http://www.flickr.com/photos/luiserodriguez/6933152141/in/set-72157629467744527/) and it was form the folks at Art Bikes Vintage & Custom. http://newboczech.info/new-bohemia I was looking for them as well. They setup and I didn’t see them again, I want them for Maker Faire KC! Those are our info cards in the shot. :)

    1. Sean Ragan says:

      Thank you!

    2. Thanks Luis!
      (And thanks for making the trip to Cedar Rapids. It was great to meet you and all the other KC folks!)

  2. [...] out this BRAND NEW steampunk art-making machine! Crafted from repurposed bike parts, this simple chain and chainring apparatus allows you to create [...]