While advanced 3D printers can print in metal and ceramic, personal 3D printers are mostly limited to plastic varieties known as PLA and ABS. Design and fabrication firm ProtoPlant wants to help them take a small step forward by offering plastics with additives like carbon fiber that are stronger and able to withstand higher temperatures. It is one of the first instances of a company commercializing unusual materials that are compatible with personal printers. In the next few years, we will see the emergence of lots of materials beyond PLA and ABS, with an emphasis on strength and flexibility.

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