These 3D printed buildings are based on OO 1:76 style containers with a single Door and four little windows.
3d PRINTED COMPONENT -O Gauge/7mm scale 3D printed locomotive boiler backhead
C43 LMS insulated type BM Container planked 4mm Scale, 3D Printed kit OO Gauge
metropolitan Full Brake & Milk van Bodys Only 4mm Scale, 3D Printed kit OO Gauge
C44 LMS ice buncker type BR Container ply 4mm Scale, 3D Printed kit OO Gauge
1:76 Scale / OO gauge 3D Printed Industrial Biffa Bins Red x3
metropolitan Milk van Body Only 4mm Scale, 3D Printed kit OO Gauge