Filament Reserve | Spoolholder Cap
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A mechanical-style filament gauge cap for the Prusa telescopic spoolholder, featuring a clean industrial design inspired
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Public Domain
Filament Reserve – Prusa Spoolholder Cap
Give your Prusa spoolholder a little more character with the Filament Reserve!
This design transforms the standard spoolholder cap into a miniature analogue-style Filament Reserve Gauge, inspired by classic fuel gauges and industrial instrumentation.
The face features a curved Empty → ¼ → ½ → ¾ → Full scale, along with bold mechanical detailing that fits naturally with the look of a 3D printer.
The design is primarily decorative, giving the spoolholder the appearance of having its own built-in filament gauge.
Features
Mechanical analogue gauge-inspired design
Empty, ¼, ½, ¾ and Full markings
Designed specifically as a cap for the Prusa telescopic spoolholder
Details suitable for multi-colour printing
Clean industrial styling
Simple and quick to print
No supports required
Printing
For the best result, print the main cap in a neutral colour such as black, dark grey or Prusa orange, with the gauge markings in a contrasting colour.
Using a multi-colour system makes the gauge face stand out particularly well, but the model can also be printed in a single colour and the details painted afterwards.
A small functional detail for something normally overlooked — because even your filament deserves a fuel gauge.