We have demonstrated that modifications of inexpensive commercial and open-source thermoplastic 3D printers can produce 3D bioprinters with capabilities rivalling those of systems costing significantly more. We have publicly released our open-source parts, created conversion guides to assist in carrying out these modifications, and have begun to organize workshops to disseminate bioprinting to those that need more hands-on instruction. By lowering the barrier to entry, while retaining or improving printing capabilities, we believe that these open-source bioprinters will spread bioprinting to new fields and serve as a hardware platform for biomaterials innovation.
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