Mill Centre Finder - Dan Gelbart Inspired

Dan Gelbart ( https://www.youtube.com/watch?v=otSjut1iGGk ) shows how to use this tool at 2 minutes in on his awesome Prototyping YouTube series.

"Virtually Vitamin Free" cost all up less than $1 !!!

Requires a 2032 button cell, a laser pointer and this 3D printed part.

you can get 10 of these laser pointers for $1.90 US on aliexpress.
http://www.aliexpress.com/item/Free-shipping-10P-5V-650nm-5mW-Laser-Red-Dot-Module-red-laser-sight-red-laser-diode/32354307065.html

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