Paolo's Powder Extruder rev1 printing Polycarbonate LEGO brick

4 mm Screw Extruder to 3D print using plastic Powder (no filament!).

Tested with Polycarbonate (PC) Powder at T = 290°C, see video:
https://www.youtube.com/watch?v=13jkwoyeeak

Download 3D Fox Printer Controller for Android here:
https://play.google.com/store/apps/details?id=com.fox3d.controller

Plastic parts are made with TreeD filament: http://treedfilaments.com/

This is just a proof-of-concept, a 4 mm screw is too small for practical use (only works with very fine powder) and dir