February 2, 2026
Description
This blood drop-shaped medical keychain is designed for those who want to carry vital information with them at all times in a discreet, durable, and instantly recognizable way.
The print features an embedded NFC tag, invisible from the outside, which can be programmed to contain medical data, emergency contacts, or personal information.
By holding a compatible smartphone nearby, the information becomes instantly accessible in an emergency.
The front design can be customized with:
- Medical cross
- Blood type (A+, A-, B+, B-, AB+, AB-, 0+, 0-)
The blood drop shape and red color make it immediately identifiable as a medical device, ideal for emergencies.
🩸 Blood drop design: clear, symbolic, and recognizable
📶 Internal slot for NFC tag
🚑 Ideal for medical information and emergencies
🔑 Keychain format, always with you
🧠 Recommended uses
- Allergies
- Blood type
- Major conditions
- ICE (In Case of Emergency) contacts
- Link to medical profile or emergency file
You can insert the NFC tag when the printer stops thanks to the pause setting in layer 13. Check in your slicer where you clicked “Slice”.
Program the NFC tag easily with the "NFC Tools" app; you'll find thousands of online videos that explain how to do it.
Technical tip: Print a small white object before printing this keychain. This way, the printed white will be vivid and free from residue from the previous color.
License:
Standard Digital File License
1,846