3D-Printed Freedom – Part 2, by A.M.
(Continued from Part 1. This concludes the article.) — What is the actual material you are printing with? Filament. It comes in a roll, usually 1 kg, and is 1.75mm thick. It is what is extruded out of the nozzle onto the print bed and makes your object. Filament comes in many different materials. The most common and inexpensive filament is poly lactic acid (PLA). Better yet is PLA+. Both of these are made from corn as a feedstock, and do not use petroleum as an input. So if supporting corn growers of America as opposed to oil companies is …