If you've ever used a microscope you'll recognize the C.E.M. Crown Extruder. This specially designed head, the brainchild of German engineer Cem Schnitzler, can twist to bring hot filament in contact
Now this is some pretty hardcore dorkitude, but our buddies at <a HREF="https://techcrunch.com/tag/Makerbot">Makerbot</a> just released a new extruder for their building devices. Why is it special? We