4SpoolHolder: The Wood-Hybrid Tower (BMCU Ready)

4SpoolHolder is a robust, portable, and space-saving solution for organizing and feeding your 3D printing filaments. By combining 3D printed connectors with standard 23mm wooden dowels, this stand offers superior rigidity and smooth unwinding.

Perfect for BMCU Systems

This holder is specifically designed to provide low-friction unwinding, making it an ideal companion for BMCU (Bambu Multi-Color Unit) or other multi-material setups. The smooth surface of the wooden arms allows spools to rotate freely, ensuring reliable filament feeding during color changes.

Why choose 4SpoolHolder?

• BMCU Optimized: Smooth rotation for consistent filament tension.
• High Capacity: Securely holds up to 4 full 1kg spools.
• Wide Spool Support: Arms are sized to fit spools up to 80mm wide.
• Easy Transport: Features an ergonomic top handle to move your setup with one hand.
• Rock-Solid Stability: The wide base and wooden core prevent wobbling.

📦 Bill of Materials (BOM)

• Wooden Dowel: 1x piece, 23mm diameter, total length 170cm.
• Screws: 20x wood screws (3.5 x 25 mm).
• Adhesive Rubber Feet: (Optional) For extra grip and floor protection.

🪚 Cutting Instructions

1. 4x 25 cm – Horizontal arms (Spool holders).
2. 1x 13 cm – Handle bar.
3. 1x ~57 cm – Central vertical pillar.

🔧 Assembly & Printing

• Material: PETG or Tough PLA recommended.
• Walls: 4 perimeters.
• Pro Tip: Pre-drill small pilot holes into the wood to prevent splitting.