OO Gauge 4mm Scale British Rail Lowmac WV Diagram 2/248 3d printed in resin. 37 of these wagons were built by British Railways, to drawing 2/248, at Swindon Works in the 1950s based on GWR practice. Transfers for this model are available from Cambridge Custom Transfers on Sheet BL205. Just add wheels, couplings to complete. This model is based on an original design by Jonathan Duffet.