you can 3D print flexible

Luvocom 3F PET CF 9780 is a carbon fiber-reinforced PET filament from Lehmann & Voss of Hamburg

repeatable prints

The addition of carbon fibers to PETG provides high levels of mechanical performance

creating a matte

LOCTITE MED9851™ Color:Clear you can 3D print flexibleLOCTITE MED9851 is a high performance, high modulus material with excellent tensile and flexural physical properties. Its stiffness and toughness make this material ideal for a wide range of impact resistant medical device applications. Advantages: Able to meet ISO 10993 5, 10 and 23 biocompatibility standards. Parts can operate at or above body temperature Good impact resistance and surface finish