Adjustable Filament Refill Spool (1kg Compatible)
Width-adjustable reusable filament spool designed for refill coils.

Engineered for stability, durability, and long-term use in professional and home 3D printing environments.

This spool allows flexible width adjustment to securely hold standard 1kg filament refills from different manufacturers. The adjustable mechanism ensures tight fixation of the coil, preventing wobble, misalignment, or uneven feeding during printing.

Parameters

- Outer spool diameter: 200 mm

- Inner hub (shaft) diameter: 80 mm

Key Features

- Adjustable width system — easily adapts to various refill coil thicknesses

- Fully compatible with standard 1kg filament refills

- Solid, rigid construction for vibration-free rotation

- Balanced geometry for smooth and consistent filament feeding

- Reusable eco-friendly solution — reduces plastic waste from disposable spools

- Optimized for FDM/FFF 3D printers

Construction & Design

- Reinforced side plates for structural strength

- Precision central hub for stable mounting on standard spool holders

- Locking or fastening mechanism to securely clamp the refill

- Designed to maintain alignment and prevent filament tangling

The model focuses on mechanical reliability, long-term durability, and consistent feeding performance, making it ideal for makers, professionals, and print farms transitioning to refill filament systems.

Adjustable Filament Spool

0.2mm layer, 3 walls, 10% infill +-7h

0.2mm layer, 3 walls, 20% infill

0.2mm layer, 2 walls, 15% infill