Your warehouse staff call it “playing Tetris.” So do we. But in 2002, MIT proved Tetris is NP-hard – no computer can guarantee the optimal solution. Palletising is worse: 3D instead of 2D, mixed box sizes, weight limits, crush resistance, and the physics of surviving 1,200km on the N1. This article breaks down why a 30-box pallet has 10⁵⁵ possible configurations, why standard South African stock boxes don’t tile perfectly on Euro pallets, and why telling us what you’re sending before it arrives saves both of us money.