A bookshelf that can stack up to each other. It can hold books that have a height of less than 220mm.
You may need a bigger printer if you want to print it. You can also use it to store random items.
I do upload the f3d file for modding in Fusion 360, I hope you guys enjoy this design and find it useful.
OBJ (OBJ, filesize: 7 MB), F3D (Autodesk Fusion 360, filesize: 404 KB)