Need Replacement Parts For Your Synthesizer, Embrace a 3-D Printer - “Want a new part for your synthesizer? Need a replacement knob or dial? In a first, one company is telling its customers to just print their own..Teenage Engineering, makers of a popular synthesizer known as the OP-1, posted the 3-D design files of various components on digital object repository Shapeways, and is instructing 3-D printer-equipped users to print them out instead of buying them”