This is a modular spool rack designed to neatly store standard 3D printing filament spools (up to 1 kg).
Each module can be stacked or combined to create a fully customizable storage system.

⚙️ Technical Details

• Rod type: cylindrical rod, 9.6 mm diameter (metal or carbon fiber rods recommended)
• Module size: fits spools up to 210 mm in diameter and 80 mm wide
• Assembly: tool-free, snap-fit design

🧩 Print Recommendations

• Material: PETG (recommended for strength and dimensional stability)
• Layer height: 0.2 mm
• Infill: 15–25 %
• Supports: not required
• Bed adhesion: brim optional, depending on your printer setup

💡 Notes

• You can mix colors to easily identify different filament types.
• The modular design allows easy expansion — just print more units as needed.