Anatomically Correct Heart Keychain

Anatomical Heart Keychain - Dual ColorA striking, scientifically-inspired anatomical heart keychain designed for a clean, high-contrast look. This model is optimized for 3D printing, featuring bold red chambers encased in a definitive black outline with stylized vascular details. Perfect for medical professionals, students, or anyone who appreciates a touch of gothic biological art.Print SettingsPrinter: Bambu Lab A1 (or any AMS-equipped printer)Filament: PLA (Red and Black)Infill: 15-20% (for durability)Layer Height: 0.2mm (0.16mm for finer detail)Supports: None neededHardware NeededTo finish the project, you’ll just need a standard split key ring