I made a few tweaks to Fabmaszter's excellent Puerto Rico Organizer.
The PR_BigBox.stl and PR_Tokens.stl files are unmodified from the originals. I include them just for one-stop shopping.
Also pictured:
Might be worthwhile to wet-sand the fillets a bit. There's still a bit of resistance when trying to get a part started up the layer-height staircase.
The author remixed this model. Imported from Thingiverse.