The main plastics used are ABS and HDPE. HDPE is commonly used in milk jugs, so you could recycle your own milk jugs and make stuff at the same time. Obviously

The main plastics used are ABS and HDPE. HDPE is commonly used in milk jugs, so you could recycle your own milk jugs and make stuff at the same time. Obviously, since all they are doing is melting a thermoplastic and extruding it, it is trivial to recycle the product: just grind it up and make something else.