3D printing is all well and good if you want one of something, but if you want lots of plastic parts that are all largely identical, you should consider injection molding. You can pay someone to do ...

Injection molding is a manufacturing process for producing parts from both thermoplastic and thermoset materials. Injection molding machines are used to inject molten plastic into a mold cavity, where ...

From 1990 to 2011, the global market for injection machines nearly tripled, exploding from 33,700 
to 94,320 machines annually, with China leading the way, growing from
a 4000-machine/yr country ...