Name: Jinwen Safe – Password Can Be Changed During Use (Non‑disassemblable, Custom‑made, with a password‑change button)

PETG Recommended

Entirely 3D‑printed components; no external parts required

Foreword:

As a humanities student, this marks my very first foray into 3D printing. I used Blender to design a safe—the mechanical components, including the lock cylinder, were entirely conceived by me, and I’m not sure how closely they align with real‑world functionality.

Printing Material Testing:

Bambu PLA in Silver & Black, plus Slik Gold

Printing consumables testing: Bambu PLA silver, black, and Slik gold

Assembly: Please Refer to the Uploaded Files

Usage:

*Changing the Password

1: Press and hold the part outlined in the diagram

1: Press and hold the part with contour in the picture

2: Separate the mechanical latch at the arrow

2: Separate the mechanical mount at the arrow

3: Directly rotate the password dial to set your preferred combination

3: Rotate the password wheel directly to adjust your favorite password

4: The password consists of 30 digits—choose the numbers you can easily remember

The password consists of 30 characters. Choose the number you remember

*Unlocking and Closing Locks

*Unlocking and Closing Locks

Rotate the password dial

Rotate the password disk

Turn the knob to unlock

Open the safe

*Convenient Unlocking Mode

*Convenient Unlocking Mode

With the correct password entered, turn the knob all the way down—this will lock the password dial. (It might work, or it might not—haha!)

If the password is correct, turn the knob all the way to lock the password disk. (Maybe useful, maybe not useful haha)

*Structural Diagram