Tried to test my LIX 3D pen today (May 28th 2016), but it wasn’t succesful. All I managed was to start the pen, see a strange green colour filament come out. Insert black filament that never came out…………   Strange noises from the motor. So not a working pen at all. 1. Green filament came out when I started (what is done with the pen?).  Seems it was used before. 2… Read More