I saw a few of these sheds on a recent road trip near the track sides. You can build them with or without the bottom stands and center roof bar. For best results sand the flat edges with a sanding block to get a flat surface.
I made two varieties, one with the door center and one off center.
N_Scale_Modern_Shed_Sm_Center.stl | 19.4KB | |
N_Scale_Modern_Shed_Sm_OffCenter.stl | 19.4KB |