Twist Locking Nut for Aluminum Extrusion (30x30mm)
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Twist-lock connector for 30×30 aluminum extrusion, inspired by the Prusa XL, with multiple nut-size variants
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Prusa Parts & Upgrades
- Licencja
- GNU General Public License v2.0
This is a twist-lock nut for 30×30 mm aluminum extrusion, inspired by the twist lock included with the Prusa XL.
It’s designed to slide into the extrusion slot and lock in place with a simple twist, providing a clean and secure mounting point.
What It’s For
These twist locks are useful anytime you need to attach parts to 30 mm aluminum extrusion, including:
Building or modifying Prusa XL enclosures
Mounting panels, brackets, or accessories
Custom extrusion-based frames or projects
Multiple variants are included so you can choose the right fastener size for your setup.
Included Files
Twist Lock – No Nut
Basic twist-lock component only
Ideal for integrating your custom designs
Twist Lock – M3 Bolt
Rear hole sized for a standard M3 bolt
Twist Lock – M4 Bolt
Rear hole sized for a standard M4 bolt
Twist Lock – M5 Bolt
Rear hole sized for a standard M5 bolt
STEP Files
Provided for all variants for easy modification
Onshape Public Document Here
So you can fork and edit the design to your exact needs
Print Instructions
Layer Height:
0.2 mm recommended
Infill:
20–30% (gyroid or cubic works well)
Supports:
Not required
Filament:
PLA works for light-duty use
PETG recommended for enclosures or higher temperatures
Assembly & Usage
Insert the twist lock into the 30×30 extrusion slot
Rotate until it locks into place
Install the bolt (if applicable)
Thread in your bolt to secure the attached part
No post-processing should be required.
Design Notes & Variants
Modeled specifically for 30×30 mm aluminum extrusion
Based on the Prusa XL twist-lock concept
STEP files and a public Onshape document are included so you can:
Modify to your exact needs and include in your design
Modify thickness or tolerances for better fit
Create custom mounting versions
Feedback / Contact
If you find issues, have suggestions, or want additional variants, please leave a comment — feedback helps improve future revisions.
For custom design requests, contact me at [email protected].