Flexible Filament
PRO Series Flex
All the benefits of flexible filament together with improved strength over other flexible filaments
NinjaTek
NinjaTek are the creators of specialty 3D printing filaments NinjaFlex, Cheetah, and Armadillo, super flexible to stiff flexible materials.
Soft PLA
Soft PLA is a very flexible 3D printing material that feels and acts much like rubber. Great for creating parts that can bend to fit their environment.
PRO Series TPU (Thermoplastic Polyurethane)
TPU is a strong yet bendable filament that has excellent layer to layer bonding that does not allow for any layer separation.