Although filament-based 3D printers have been around for 20 years ... Compared to the E3D V6 – an all-metal hotend with a heater cartridge, sensible thermal design, and replaceable nozzles ...
Color gradient filament is fun stuff to play with. It lets you make 3D prints that slowly fade from one color to another along the Z-axis. [David Gozzard] wanted to do some printing with this ...