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Thingiverse user overflo reverse-engineered Chris Schaie’s renowned mechanical iris peephole design and added a rack and pinion so that it can be operated with a motor. His is executed in laser-cut plastic, controlled by an Arduino, and opens onto an LCD display that shows a giant freaking eye staring out of it. Deets are here.

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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. Anonymous says:

    Think NANO size then make a eye component so the motor is NANO 3D. Stacking Layers makes it 3D, Multiple Layers will reach size necessary for a human eye, test wit micro volts coming from a light source which recharges a NANO Battery Pack. Then you got something. Ever heard of Quantum-Dots, they can create filters for the eye plus generate electricity. Artificial Hair which is made up of Quantum-Dots can generate electricity needed for hearing devices, eye movement devices, or something unheard of like a cell phone device power unit while the phone is hidden inside the human body. Start Cooking those up soon. Quantum-Dots can be spray painted so whatever surface you want them on works like a Human Body of Automobiles to generate electricity. A few Capacitors would really give out a shock to another Human Body attacking a Human Body or a Animal trying to kill a Human. Show me the money.