Mami's soul gem from Puella Magi Madoka Magica. You too can own a soul gem becoming a "mahou shoujo" like Mami by forming a contract with Kyubey. Which will eventually lead to your demise, turning you into a witch... or... you could print your own. The universe wants YOU to overcome entropy, so what do you say? Contract?Print both sides of the soul gem Glue both sides of the soul gem together with glue of your choice Paint to suit your preferences Print the unprintable one... I've been told you can actually print it