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Secure-Snap Cardboard Spool Ring for QIDI Box (Jar-Lid Fit, Various Diameters) (stp, step) — image 1
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Secure-Snap Cardboard Spool Ring for QIDI Box (Jar-Lid Fit, Various Diameters) (stp, step)

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aniva

aniva

@aniva_3678200

Secure snap-fit ring for QIDI Box. Tested with Overture, Polymaker, CCTREE cardb. spools. Won't slip. Various diameters!

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Updated at source:

Model information

Source
Printables
Category
Other Printer Parts & Upgrades
License
Creative Commons — Attribution — NoDerivatives
DetailsFiles (6)Makes & comments (Makes: 0) (Comments: 9)Remixes (0)Collections (88)Related

Secure-Snap Cardboard Spool Ring for QIDI Box - various diameters


3mf is the QIDI Studio Project for ASA (smooth plate)

The Problem

If you use cardboard spools in the new QIDI Box, you know the struggle: most adapter rings rely on a simple friction fit. They slide on easily, but they also slide off easily—especially when the system retracts or spins the spool quickly. This causes the rings to slip, jam, or fall off completely mid-print.

The Solution

I designed this ring specifically for the QIDI Box to function like a jar lid. Instead of just sitting on the rim, it mechanically snaps onto the edge of the cardboard spool.

This positive engagement ensures that the ring rotates with the spool 100% of the time, regardless of torque or retraction speed. It eliminates the slipping issues common with other adapters and prevents cardboard dust from fouling your rollers.

🚨 UPDATE: Expanded Size Options Thanks to community feedback, I have added two new diameter options to accommodate a wider variety of cardboard spools and manufacturing tolerances.

  • 189.5mm: Specifically dimensioned for CCTREE cardboard spools.

  • 199.0mm (Original): The standard fit for most generic cardboard spools.

  • 200.0mm: Expanded tolerance version. Highly recommended for larger Overture spools, or if you found the original 199mm version slightly too snug to snap on comfortably.

Compatibility

This model has been tested and verified to fit perfectly on:

  • Overture Cardboard Spools

  • Polymaker Cardboard Spools

  • CCTREE Cardboard Spools

  • DEEPLEE Cardboard Spools

Note: While designed for the QIDI Box, this may work on other multi-material systems that require similar rim adapters.

Key Features

"Jar-Lid" Snap Fit: The ring clips securely onto the cardboard edge and requires force to remove. It will not vibrate loose.

High-Speed Reliable: Handles fast retractions without slipping.

Smooth Rotation: Provides a consistent, hard surface for the rollers, reducing feed errors.

Print Instructions

  • Material: PETG, or ABS/ASA. (PETG/ASA recommended for better flexibility/snap resilience).

  • Infill: 15-20% usually sufficient.

  • Walls: 3 perimeters for strength.

  • Supports: No supports required.

Installation

  1. Align the ring with the cardboard spool rim.

  2. Press down firmly around the edges until you feel/hear it "snap" into place.

  3. Verify the ring is flush against the spool side before loading into the QIDI Box.

Support My Work

I design these fixes to improve our printing experience. If you find this model helpful, check out my other open-source projects or buy me a coffee!

GitHub: github.com/aniva

Support: paypal.me