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coin How to make a Coin RingThis ring is made out of a quarter by flattening the edge with a spoon or machinist hammer, then after drilling a hole and polishing the center is dremmeled out. A sanding disc is used to smooth out the inside and sized it to fit. After it’s a complete you have a pretty neat looking ring. It would be cool to make ones from different countries you visited and give them to friends.

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.

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