KeyMini: The Minimalist Hybrid Key Organizer

Following the success of the original KeyCarry, the KeyMini is a ultra-slim, rugged evolution designed for those who value pocket space. By combining a flexible TPU exterior with a rigid PLA core, this organizer offers a premium feel with industrial-strength durability.

🛠 Hardware Required

To complete this build, you will need:

• Chicago Screws: 5mm diameter (also known as Bookbinding screws). Note: Use 4mm if your keys have narrow holes.

• Washers: To fit your chosen screws.

• Superglue: For securing the internal core.

• Threadlocker (Optional): Highly recommended for a "set it and forget it" assembly.

🖨 Printing Instructions

This model uses a "Printed Insert" technique. Follow these steps for a perfect result:

1. The Core: Print the two PLA core pieces first and set them aside.

2. The Shell: Start your TPU print. My provided print profile includes a pause at Layer 11.

3. The Insert: When the printer pauses, place a small dab of superglue into the TPU grooves and insert the PLA cores. Tip: The glue prevents the nozzle from accidentally dislodging the cores when printing resumes.

4. The Finish: Resume the print. The printer will bridge over the PLA to lock it permanently inside.

5. Bed Removal: Use a little Isopropyl Alcohol (IPA) around the edges to help release the TPU from the build plate safely.