trash bin on scale h0 or 1-87 ideal to be placed in a column measures 8.5mm high 5mm long 4.3mm wide.
other files from the original photo.
concrete column protector h0: https://www.cgtrader.com/3d-print-models/miniatures/other/concrete-column-protector-plus-tower-with-lights-scale-h0-1-87
Concrete protector ho https://www.cgtrader.com/3d-print-models/hobby-diy/other/concrete-protector-scale-h0-1-87
Jersey barrier H0 https://www.cgtrader.com/3d-print-models/miniatures/other/jersey-barrier-h0-scale-1-87-135f5149-d340-4359-8974-61224a7d5dc4
Mini Jersey Barrier H0 https://www.cgtrader.com/3d-print-models/miniatures/other/mini-jersey-barrier-scale-h0-1-87