Dorma Kaba Key Cap

My brother-in-law’s key head snapped off, and instead of ordering a new key for an absurd price, I designed a replacement head that we can reprint anytime.

This replacement works perfectly with KABA (now dormakaba) Penta, Gemini, Quattro, and Expert system keys (non-chip versions).

After several test prints, I arrived at the correct dimensions: the head fits the key precisely, and the locking point holds the key firmly in place.

During assembly, I pressed the key into the printed head at a 45° angle on a carpeted surface until I felt it snap securely into position.

Recommended materials: PLA+, PETG, ABS, or ASA.

I hope this design is useful for others as well. 🙂

If you liked my work, please recommend it to others, or hit the Like button. Thank you very much.

Happy printing!

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