For fans of the Halo : Ground Command tabletop game. This units is technically non-existence in the last rule set, but if you are a member of the Halo Ground Command Facebook Community, then you will know there is a unit card in the works for playtesting.
I've printed this on an SLA printer with supports. I imagine you might have to run a simple mesh-scan to correct some of the walls and remove the arms separately if you were to print it on a PLA machine.