Electromagnetic Coilgun Doesn’t Need a License and can be made at home with some various products and handyman abilities.
Run power from any existing house plug to anywhere outside the house.
One-Board Woodworking Projects
CNC Spring Joint Box - RandyJohnson - American Woodworker
And here is the ingenious but complex joint that was used during the Ming dynasty. Jaws dropped and their was some wry laughter from the crowd when Andrew displayed this joint..
How to Make a Three Axis CNC Machine (Cheaply and Easily)
Almost-forgotten Handsaw Tricks By: Megan Fitzpatrick | July 23, 2014
Make your own Center Finder | Toolmonger
Katana Edge Banding Router Bits
hardwood+creations | ... Wall Mountable Rolling Pin Holder - David Levy Hardwood Creations