10 Best Flexible Filament 2026 in the United States

The OVERTURE TPU High Speed 95A filament is designed for flexible 3D printing with a Shore hardness of 95A, making it fairly firm but still flexible enough for many uses where durability and some softness are needed. One of its main strengths is the ability to print up to five times faster than typical TPU filaments, which is great if you want quicker results without sacrificing quality. It also offers excellent layer adhesion, meaning your printed objects will stick together well between layers, resulting in smooth and strong prints.

The filament is made with a clog-free formula, reducing the chances of print jams, and comes vacuum-sealed with thorough drying to prevent moisture issues, though you should keep it sealed with desiccants after opening to maintain performance. It fits most FDM printers with a standard 1.75mm diameter and has good dimensional accuracy (+/- 0.02 mm), ensuring consistent extrusion. The product is versatile, available in multiple colors, and backed by a lifetime guarantee, which adds peace of mind.

The 95A Shore hardness means it is not as soft as lower Shore TPU filaments, so if you need very stretchy or rubbery prints, a softer option might be better. Additionally, the filament requires careful storage to avoid moisture problems, which can make handling more challenging for beginners. This filament is well suited for users seeking a balance between speed, durability, and moderate flexibility in their flexible filament projects.

The OVERTURE TPU Filament stands out in the flexible filament category, primarily due to its Shore hardness of 95A, which delivers a harmonious blend of softness and durability. This makes it an excellent choice for various applications, like robotics and fashion, where flexibility is key. Users will appreciate the filament's excellent layer adhesion, ensuring smooth prints without the common issues of warping or layer separation. The product's clog-free and bubble-free design also promises a hassle-free printing experience, which is especially beneficial for those new to 3D printing.

Another advantage is its compatibility with a wide range of 3D printers, making it accessible for both hobbyists and professionals. Additionally, the variety of color options allows for creative freedom in your projects.

Though not the cheapest option on the market, the quality of OVERTURE TPU is backed by a lifetime guarantee, offering peace of mind to users. This filament is a strong contender for anyone looking for reliable flexible printing materials, provided they are willing to manage its storage and printing requirements.

SUNLU TPU 3D Printer Filament is a flexible filament with a Shore hardness of 90A, making it firm yet elastic enough to handle wear and impact well. It offers good durability and elasticity, suitable for printing parts like gaskets, phone cases, and wearable devices that need some stretch and shock resistance. The filament's dimensional accuracy (+/- 0.03mm) and 1.75mm diameter ensure compatibility with most FDM 3D printers, providing smooth and consistent extrusion.

Recommended print temperatures range from 220-240°C with a heated bed at 50-60°C, which is fairly standard for TPU materials. One standout feature is its excellent layer adhesion, allowing prints to stick well to the bed and each other without extra adhesives, which helps achieve clean, strong prints. The filament also resists stringing and clogging, making it easier to print faster at around 40 mm/s, especially for users who want quick results. Packaging in vacuum-sealed bags keeps the filament moisture-free, extending its shelf life and print quality.

This filament is a solid choice for hobbyists and small-scale users seeking a reliable, flexible TPU filament that prints smoothly and performs well for everyday flexible prints.