This is box with a working zipper functioning as a locking mechanism!
CHECK QUICK DEMO VIDEO
The design is 100[%] print-in-place and requires NO supports. After printing you only need to cut thin strip of plastic between two halfs with knife (Showed on full demo video).

Package include standard version and with a built-in brim for easier printing.

Update 05.03.24 - Added additional version with looser tolerances, making it easier to print, while ensuring better zipper functionality.

To open/close the box, use the attached slider similarly to a real zipper. To open, start with the side of the slider with the smaller heart cutout. To close, start with the side with the bigger heart. (The first few times might feel a little rough, but after few slides, it will start to work smoothly.)

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Happy printing and share your new Zipper Box!

3D Printing Settings:

• Great in PLA
• 3 walls for 0.4[mm] nozzle
• 30[%] infill
• No supports