Hi my next micro build working diorama is 16”x 5”. This will be modelled in 4mm scale. The theme will be a working coal yard siding. My choice of loco will be a Hornby new tooled Terrier early emblem. My choice of track will be Peco Setrack 100 code, with a righthand point and 2 sidings. An office and a wagon along with ballasting and some small bits of landscaping. I hope I sounds ok, I have uploaded a picture of my bombproof baseboard.