Incredible Retractable Assassin’s Creed Blade Created with 3D Printer http://3dprint.com/18863/assassins-creed-blade-3d-print/
I found 'Fully Functional Hidden Blade From Assassin's Creed' on Wish, check it out!
31 Incredible Inventions That May Change Your Life (1 -8)
hidden blade test metal by !RocknBlock on deviantART
Custom Design Leather Stamp 1-7/8" (51 mm)
Repurpose the Bottle From Your Favorite Wine: 3D Print Your Own SplashLIGHT http://3dprint.com/26770/splashlight-bottle-lamp/
Screw on Bottle Citrus Juicer (3D Printed)