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Alan Federman

Latest from Alan Federman

By using a router and a countersink bit, you can make wooden screws of different diameters. The results are pretty good. Read more »

Da Vinci used wooden gears in many of his mechanisms and drawings. I’ve already figured out how to use "cage" or "lantern" gears (Make Magazine, October 2010). For my next project I decided to explore making a wooden worm gear. I’ll show you how I built it. I used a... Read more »

Re-create Renaissance tech to convert rotation into a square wave. Read more »

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