Will accommodate two Stackable Boxes side by side. Handles on the sides are ridged for good grip for carrying (however, a stack of boxes can still topple if not properly balanced).

There is a light weight version and a heavy duty version.

Remixed from here: https://www.thingiverse.com/thing:647425 in fact this is one of many great remixes of Yuan4114's design.

Print instructions

Recommend 35% or more infill for a stronger holder.