PET is a plastic resin

Long press the button to reset the laser head

Strength is a priority: Regular PLA is a rather brittle material

But a brass nozzle has its draw backs

Polymaker PolyFlex TPU 95A - True Black - 1.75mm - 750g Prusament PET is a plastic resinPolymaker PolyFlex TPU 95A True Black 1. 75 750g PolyFlex 95A is a flexible and lightweight material to print with. On the Shore A scale, PolyFlex has a hardness of 90 95A and can handle a load of over 400%. Designed to be compatible with almost all FDM FFF printers and not requiring a heated build plate, Polymaker provides a complete ecosystem of filaments and carefully tailored accessories.