Super Simple Cereal Drybox Roller

🌀 Simple Cereal Box Drybox Roller (for 4L boxes)
A minimalist filament roller that fits neatly into a standard 4L cereal container, perfect for those who want a functional, no-frills drybox solution without wasting filament or overcomplicating the design.

✅ Features
Fits most standard 4L cereal boxes
Uses 4x 16mm OD, 4.92mm ID (M5 shaft) bearings
No screws or glue – bearings are held by friction and bottom pressure
Space included for optional hygrometer stand
Supports filament rolls under 60mm in width

🛠️ Hardware Required
4x Bearings:
Outer Diameter (OD): 16mm
Inner Diameter (ID): 4.92mm (for M5 rods)
Width: Any (not critical)

🧩 Printing Instructions
Material: PLA or any rigid filament (not TPU or flexibles)
Supports: None required
Orientation:
Drybox Frame: Lay side flat on the bed
Drybox Roller: Print standing up
Print 2 of each piece.
That’s all you need!

💬 Notes
The bearing fit is intentionally loose, relying on tolerances and the box bottom to hold them in place.
Designed for