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This barely needs any instructions, just look at the picture to see how a piece of sugru is used  to create a spring hinge for a set of tongs or tweezers.

Can be made so the tongs are normally closed and if the sugru is placed nearer the middle they can be squeezed open.

Put some wires onto it to make contacts and you have a switch/button.

Put a lot together and you have a keyboard.

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More by acboother:Robotic Legs Arduino Development Tool Homeduino 
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