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I just designed and 3d-printed a NXT-keychain 
http://img11.hostingpics.net/pics/899322nxtkeychain.png
http://img11.hostingpics.net/pics/899322nxtkeychain.png
Nice!
If the STL file is small enough, would you be willing to put the STL on the blockchain as a AM payload? You know, for history's sake.
Yes, of course I'm willing to do that. The STL is around 250KB, is that small enough? I also could do some design modifications if you have some suggestions. And how would I put that STL on the blockchain?
The STL is too large by far unfortunately. Have you ever used OpenSCAD? Perhaps the keychain could be procedurally modeled and thus fit in under 1000 characters?
Yes, I'm familiar with OpenSCAD (great tool, btw), but doing the design with FreeCAD was much easier and faster
