Anatomical Heart Keychain - Dual Color

A 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 Settings

• Printer: 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 needed

Hardware Needed

To finish the project, you’ll just need a standard split key ring