Are 3D-Printed Fabrics the Future of Sustainable Textiles? Share on Tumblr Email Three-dimensional printing may have little in common with sustainability—at first blush, anyway—but the rapid-prototyping process has a litany of surprisingly green benefits. The emerging technology, which uses ultraviolet beams to fuse layers of powdered, recyclable thermoplastic into shape, leaves behind virtually no waste. HRO RepRap. Printing police handcuff keys … « blackbag. German SSDeV member Ray is known all around the world for his impressive collection of handcuffs and his fun ways of opening most of them.
On top of that he gives great presentations and always manages to add a lot of humor into them! At HAR he pulled another stunt: He used a 3D printer to print handcuff keys. And not just any ordinary handcuff key … no, it’s the official handcuff key from the Dutch police!