If you have ever wondered how 3D printer filament is made for 3D printers then you will love this video, In this video filament maker at Maker Geeks, Joshua Smith reveals what needs to be in place to make 3D printing filament and explains how the temperatures in each stage of the process have to be exact to make sure that a round and not oval 3D filament is created.
“The biggest misconception about filament production is the nozzle. Most people assume, like we did, that the machine would work just like a giant filastruder. It would push molten material out of a nozzle at the right diameter, which would then be wound onto a spool. Heck, even standing in front of the machine you may think that is what is happening! As Josh Smith, owner of Makergeeks.com, points out in the video, there is a bit more magic to it.
Apparently it isn’t only pushed through in the first place. The two common diameters of 3D printer filament (3mm and 1.75mm) are both pulled through the same size die! The roundness isn’t determined strictly by the opening of the die, but more by the complex cooling that happens immediately afterward.”