A practical accessory designed specifically for the SUNLU FilaDryer SP2! This roller perfectly fits filament spools (<1kg) or paper spools, ensuring smooth rotation during drying to prevent tangling. Recommended printing with PETG or ABS filament to ensure stable performance in high-temperature drying environments (melting point ≥70 degree centigrade).

Key Features: Optimized Drying Efficiency – Keeps filament rolling freely for even heat distribution Compact Design – Fits seamlessly inside the SP2 dryer box Dual Compatibility – Supports both <1kg standard spools and paper spools

Printing Tips: No supports needed Recommended to deburr after printing for smooth rolling

Use Cases: Pre-drying filament in the SP2 Moisture-proof storage for paper-core spools

This is a free open-source design for SUNLU SP2 users—feel free to share your feedback!