Most phone charging docks are light and easy to tip over - so let's make a really heavy one from solid stone... Materials Select a stone of suitable size. Make sure it is not too thick because you'll need to drill all the way through it...And check if it sits nicely without wobbling...A diamon...
By: Christian Knuell
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from Instructables: exploring - technology - robots http://ift.tt/1DTDhwP
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