Alzament Stability Ring | Prusa Mini Spool Adapter
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A simple, press-fit adapter designed to stabilize wide Alzament spools on the original Prusa Mini spool holder.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution — Share Alike
Tired of the "Alzament Wobble" on your Mini?
We all love the Alzament PLA for the good price, but if you are a Prusa Mini owner, you’ve likely noticed a slight compatibility hiccup. Because Alzament spools have a unique width and center gravity, they can sometimes feel a bit "clunky" or unstable on the stock Prusa Mini spool holder.
I designed this minimalist adapter to bridge that gap.
The Solution
This is a high-precision, press-fit stabilizer. You don't need screws, bearings, or complicated assembly.
Just print it, press it onto your original Alzament spool, and slide it onto the Prusa Mini holder.
Rock-solid Stability: Eliminates side-to-side shifting during fast retractions.
Smooth Feeding: Reduces friction and vibration, helping your extruder maintain consistent tension.
Quick Swap: Takes 2 seconds to install or remove.
Print Settings
To keep the "Alzament Spirit" alive, I printed this model using Alzament PLA (to match the spool itself!).
Layer Height: 0.2mm (Speed or Quality)
Infill: 15% (Grid or Gyroid)
Supports: None needed!
Updates
29-March-2026: [AlzaSpool_holder_ v2.stl] Longer ring to improve stability.