When 3D printers released, the only alternative was photosensitive resin. But as 3D printing technology has progressed, multiple components and solutions have appear into the image. Answer: Twin extrusion includes a 3D printer with two extruders, Each and every loaded with its very own filament, allowing for for various elements https://shanewmkcu.amoblog.com/multicolored-3d-printer-secrets-51674680