A tiny little capsule that you can wear around your neck! The hole up top is pretty tiny, so if you use a larger jump ring or have a sloppy printer, you can open it up a bit by heating up a needle or paperclip and poking it through. Of course, you can also scale up the entire model.
Non-Printed Parts :
7mm Jump Rings : http://amzn.to/2x0I2Dh
2.5x3mm Cable Chain Link : http://amzn.to/2fTPR9T
13x8mm Lobster Claw Clasps : http://amzn.to/2vSrQ71
Split Ring Plier : http://amzn.to/2xdE0H9
Please do not re-sell :)
(video up on Tuesday 08.22.17)