Our teenage gadget master John Duffy has created a manual mill you can make in your home shop.
Electronics have sidelined the manual mill in recent decades, but Duffy has created a manual mill that incorporates modern parts, such as an Arduino. He considers it a cheap replacement for a much more expensive machine. He goes through great detail in the instructions to create this mill. The mill has up to 1/1000th accuracy on X and Y and about 1/100th on Z.
Click the image below to see more photos of the manual mill.
The mill gadget complete.
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