Polymaker PolyFlex TPU90


I really like this stuff!  The softer of the Polymaker flexible options.  I recommend using a direct extruder.

Here is my review: https://www.youtube.com/watch?v=rya5O1b9NRU

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PolyFlex™ is a family of high-quality flexible materials. It provides the perfect solution for applications where high flexibility and durability are required.

PolyFlex™️ TPU90, created from Covestro’s Addigy®️ family, is a thermoplastic polyurethane (TPU) based filament designed to provide great flexibility without compromising on printing speed. It also has the ability to resist ultra-violet (UV) light or sunlight.