Combination Pencil Case
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A unique pencil case with a secret! This secure storage tube opens only when the correct code is set on the rotating rin
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Model information
- Source
- Printables
- Category
- Other Gadgets
- License
- Standard Digital File License
Model Description
This is a unique pencil case with a rotating combination lock. It is designed as a secure storage tube for pens, pencils, or small items. The body length is about 180 mm with an inner diameter of 50 mm, which fits standard writing instruments. The outer rings rotate freely and must be aligned to the correct code to open the case.
Assembly Instructions
Print all parts separately.
Place the spacer rings between the rotating combination rings.
Slide the rings onto the main body tube in order.
Some elements (like the end cap or locking mechanism) may require gluing for proper strength.
Test the rotation of the rings before final assembly to ensure smooth movement.