How 3D Printers are made The surprising thing about 3D printers is that 3D printers are used to make most of the parts. Find out about these self-replicating devices. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts How Long Can The ISS Survive Without New Supplies? Why We Have Pain and How We Kill It Power Your Entire Home Without Wires! 9 MIT Media Lab Innovations that Changed the Future Inside The Shared Hallucinations of Our Conscious Reality How do drugs affect the brain?