Tired of carrying a bulky key fob? This 3D printable watch strap loop is designed to hold a standard NFC tag, turning your watch into a discreet and convenient access key for doors, gates, and other systems. It's a perfect blend of modern technology and everyday wearability.

This model is designed to be printed with flexible filament (like TPU) to comfortably fit on your watch strap. The NFC tag is securely held in a dedicated slot, ensuring it won't fall out.

Features:

Secure Fit: Designed for a snug, non-slip fit on a standard watch strap 20mm x 3mm.

NFC Tag Slot: Perfectly sized for a 25mm diameter NFC tag (e.g., NTAG215, NTAG213).

Durable Design: Optimized for flexible filaments to withstand daily use.

Versatile: Use it for access control, smart home automation, or any NFC-enabled application.

Printing & Assembly:

Print the model with a flexible filament (TPU recommended).

Carefully insert a 25mm NFC tag into the designated cavity.

You can use a small amount of adhesive (e.g., super glue) to secure the tag in place. (optional)

Slide the loop onto your watch strap.

Feel free to share your makes and modifications! If you have any questions or suggestions, please let me know in the comments.