This triangular key lock is a full 3D printable security system, perfect for cabinets, drawers, service doors, and containers. Designed for maximum durability, with optimized build plate orientation for superior bed adhesion and fiber alignment (print as-is!). Use PETG/PLA+ for indoor applications, ASA for outdoor UV resistance. The model is slicer-scalable to fit your needs—if your hole isn't exactly 20mm (model diameter), use these uniform scale factors:

Easy Scalability

• 22mm → 110%
• 23mm → 115%
• 24mm → 120%
• 25mm → 125%
• 26mm → 130%
• 27mm → 135%
• 28mm → 140%
• 29mm → 145%
• 30mm → 150%

Assembly Steps
1. Insert the rotor into the stator (main body).

2. Secure the rotor's axial retainer (snap ring).

3. Position the latch retainer clip.

4. Insert the latch tab.

5. Lock the latch with its dedicated clip.
 

6. Screw and tighten the lock nut onto the threads.