Based upon the 'barns' in Forza Horizon 4 where you find vehicles for your fleet, this building was designed for a diorama. Perfect for displaying cars, or integrating into an O Gauge layout. There is no roof, but corrugated sheets can be made from foil, as in the video.
The .zip file contains the full model (which was too large for my Photon Mono), and the component parts- front wall, back wall, frame, and door
