January 16, 2026

Book Nook Safe | Money Bank | Lock | Piggy Bank

Hello everyone! 👋

I’m excited to share my new 3D Printed Book Nook Safe with you. This model is designed as a bookshelf insert featuring a fully working numeric combination lock with a customizable code.

  • Working numeric combination lock - 3 dials, each with 6 numbers (Total of 216 possible code combinations)

  • A small latch engages with the grooves in each Dial while rotating, ensuring precise groove alignment so the lock can always be opened correctly.

  • Easy assembly - No glue required. Fully 3D printable🔧 

  • Assembly uses only screws 🔩

  • This is still a plastic safe 😄 Please don’t store your entire fortune inside⚠️

🎨 Filament: 

📹Video: https://www.youtube.com/shorts/smjT9Bym_5c

👉Free STL on Makerworld

🤑Members get a commercial license for this product!

😎Also exclusively in STEP format, for further easy model modification.