Small stackable crate I've designed. The original size is 150x95 mm, which prints fine with a 0.4mm Nozzle. When scaling down, I would recommend using a smaller one.

It prints fine without support if your Bridging is well tuned. Else, some custom support might be necessary inside the handles.

The CAD-file from FreeCAD is also attached, but be warned that it is a little bit messy.