My Dublo 3-rail layout is U-shaped. The photo's below are taken from left to right. The Layout is designed with SCARM software (freeware).
Village station with goods shed
4-road LMS engine shed, coach sidings and breakdown train.
4-road engine shed with with mainly LNER 0-6-2 tanks.
Diesel sidings and goods sidings.
Main station an canopy.
Goods sidings and controllers.
2 Fleischmann 6755 power controllers, 6705 power module and above the 2-road SR engine shed.
The coach sidings can be seen in the background.
LNER all A4 4-road engine shed.
LNER A4's on shed.