Design a personalized split heart keychain in seconds. AMS optional.
Perfect for best friends, couples, or family members!

Looking for a thoughtful, custom-made gift? This Split Heart Keychain is a meaningful and unique accessory that can be personalized with initials, making it the perfect token of love, friendship, or connection. Designed to fit together, this keychain can be separated into halves or thirds, each engraved with the initial of you and your special someone/s.

Pro tips:

• Save resources! Download as STL instead of 3MF from Parametric Model Maker, slice, and add color change half way.
• No AMS? Not a problem. Set a pause at the color layer change to manually swap filaments. 
• Set top surface pattern to Hilbert Curve to hide any lines on surface

Perfect For:

• Best friends
• Couples or anniversaries
• Family keepsakes
• Gifts for special occasions like birthdays or holidays

1/22/2026 Updates

• Added 2 additional connector options
• Added option to remove hole
• Redesigned Parametric Model Maker layout
• Reduced number of fonts but expanded variety
• Now recommend using top surface pattern Hilbert Curve

4/22/2026

• New option for 3 parts added!