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This project includes a complete set of blood type keychain tags featuring all major blood groups with Rh factor:
A+, A-, B+, B-, AB+, AB-, O+, O-
Each tag is designed in a clean, high-contrast style that is easy to read and optimized for 3D printing. The contours are bold and print-friendly, making them suitable even for 0.4 nozzle.
General Info:
- 2 print profiles - For AMS users and noAMS users (there is a pause for manual filament change)
- You can print any individual blood group. Each type is provided as a separate plate for easy print from app
- Works great even in single-color (raised lettering remains clearly visible)
- 4 grams of filament per keychain / ~20min of printing
- PLA and PETG Recommended
- Hilbert curve for top surface
Use cases:
- Everyday keychain
- Backpack or bag tag
- Medical identification accessory
- Gift for medical professionals
- Emergency information tag
Matios21
