Dry Box A dry box is a sealed storage container designed to protect 3D printer filament from absorbing moisture, which can lead to print defects like bubbling, stringing, or poor layer adhesion. Many filaments, such as nylon, PETG, and TPU, are hygroscopic, meaning they readily absorb water from the air. Dry boxes often include desiccant packets or built-in dehumidifiers to maintain a low-humidity environment. Advanced dry boxes may also feature temperature controls to preheat filament, ensuring consistent extrusion. Proper filament storage in a dry box not only improves print quality but also extends the shelf life of the material, making it an essential accessory for frequent 3D printing users. |