Summary

Do you have 65 BTC in the form of eight 5 BTC and one 25 BTC https://www.casascius.com/ coins?

Do you have a phat gold chain?

Do you want to keep those coins and that chain on your body at all times?

If you answered YES to all three of these questions, then the bitcoin bling necklace is for you!

Instructions

Just print the stl file (I used glow-in-the dark filament myself)...

but about half-way through, pause your print, and place your 9 coins in (face down), then continue the print. Make sure enough has been printed so that your coins are not sticking up from the plastic so far, or the extruder will scratch them and screw it all up.

Here's a video of mine printing once the coins were in: http://youtu.be/5cxU-26NGlo

Note that the coins are trapped inside the 3D-printed necklace when complete (although it's easy enough to break the plastic and/or peel off the back stickers).

I also included the raw 123dx file if you want to modify the necklace somehow in Autodesk's free 123D Designer software.

Bitcoin Bling Necklace