LIX Pen works with straight plastic rods (ABS/PLA). They are 20 cm long and with a diameter
of 1.75mm. Extrusion is 0.7 mm.
As a creator of LIX PEN we will strictly recommend to use the filament we have made
especially for our LIX PEN. You are free to experiment with the different filament but you will
do it at your own risk and will, unfortunately void your warranty.