Mini lantern

Here is my mini lantern, it is roughly 125mm x 91mm. It comes in 4 main partsThe baseThe lidThe diffuser (make sure detect thin walls is turned on)The insertsThe baseThe base is made up of 4 pillars, on each of these pillars there is a slot, this slot is designed to allow the insert to slide down it. The bottom of the base has a square divet in the center, this is for the diffuser to slot in to. The diffuserA simple thin square diffuser. I've seen other lanterns where you have to print 1 dif