the IRIS project

by overflo, published

the IRIS project by overflo Sep 28, 2010

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Some weeks ago i found chris schaie's [1] iris on hackaday [2] and i was so amazed that i took a screenshot from the video and made my own iris based upon his design.
From there it was a long road but eventually my own design worked out and i managed to create a mechanical iris that can be opened with a stepper motor.
Now we have a welcoming system at the metalab [3]

[1] http://schaie.com
[2] http://hackaday.com
[3] http://metalab.at


Documentation can be found @ http://metalab.at/wiki/iris

To build the thing you need

  • a lasercutter
  • wood (i used 8mm)
  • 3 ball bearings from rollerblades
  • a stepper motor + controller electronics

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kind of looks like a modified version of the .dxf file he uploaded to the forum, i made a mini version a while back based on his original (and flawed) design, hence the reason the iris doesnt close perfectly. I was working on a larger one but my lasers co2 cartridge started running low an ended up wasting alot of plastic before i realized it was dieng

this design is based on a screenshot i took from shaies iris, as mentioned above.

the whole design was then started from there.

when i was finished i found out about the talkshopbot forum and contacted chris.

the design then evolved a little more (the iris closes without gaps) but at no point i took any of the existing .dxf files. of course i asked chris if he was ok with me releasing my design here and he was fine with that as long as he was mentioned.

oh yeah and video of the one i made


sorry for the multiple posts, there is no edit button, unless i missed it...

also heres the link to the shopbot forum where you can download the dxf files of his version


This is awesome!

BTW: I found this through the Makezine blog: http://blog.makezine.com/archive/2010/09/motorized_iris_based_on_chris_schai.htmlhttp://blog.makezine.com/archi...

öne Grüße aus München!

Good lord this is awesome. I can't wait to cut one