Making 3D printing useful.  http://tiny.cc/xk2l3w

Making 3D printing useful. http://tiny.cc/xk2l3w
http://www.youtube.com/watch?v=g3RdWRV7Mx0

they are easily copyable

3D printer + NFC sticker == Done.

I’m in NH and have a 3D printer if you need some rings printed out.

This was done with Java rings in 1998!

cool

http://nfcring.com/
I’ve got one of these coming.

yep @Robin_Whitfield - me too - the more beautiful variant - and they will be also 3d printable - all that i know they want to give out the 3d model and dimensions.
Isn’t that great like the stainless steal ones you can buy - but yeah…