At first we used the standard 5-plank wagons for blocks of stone and then made some 2-plank wagons, on the same principles. Geoff then decided to use the 3D printer to make bespoke wagons that comprised the chassis and end uprights (with bolt heads), and detailed side frames. Sockets for the standard Kadee couplings were included. The timber deck, end planking, bolsters and posts were added.
