Hộp đựng pin AA (AA Battery Box)

This box holds four AA batteries.  That's all it does.

It is not 100% printed; it uses a steel dowel rod for the hinge.  That makes the hinge work well, but it increases the cost and hassle of making it.

I modeled this in Fusion 360, inspired by mslo321's design.  I've included the model files: .f3d for Fusion360 and .STEP for other CAD programs.

Parts Needed

1 3x30mm dowel pin  https://www.amazon.com/uxcell-Stainless-Cylindrical-Support-Elements/dp/B07YKZJB6Z/

Printing Instructions

Use PETG.  PLA is too brittle, and the clasp will break after a few uses.  Use 0.2mm layer height.  The hinge hole is optimized for 0.2mm layer height.  The default settings for perimeters and infill are fine. 

In PrusaSlicer, you could emboss text or a logo into the top/bottom surface if you want.  Your initials, the Konami code, a limerick…