I'd say they should make 3 pieces for a container. Looking back on all the console titles in chronological order, it evolved like this (pieces for a whole container):
LoZ:1 AoL:1 aLttP:4 OoT:4 MM:4 WW:4(???) TP:5
So the biggest jump was from AoL to aLttP. I'd say they should make 3 pieces per...