Found 2 3D-models for “48 gauge” across many websites

#48 scale#model railroad#truss bridge#plate girder birdge#warren truss bridge#Gauges#O scale#training#plate#plate birdge
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Model Railroad Warren Truss Bridge (O-Scale)

Model Railroad Warren Truss Bridge (O-Scale)

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Model Railroad Plate Girder Birdge (O Scale)

Model Railroad Plate Girder Birdge (O Scale)

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