Model railroad, Truss Arch Bridge
thingiverse
This truss arch railroad bridge model, designed for use as an automobile bridge on a model train layout, comes in two versions with specified dimensions (overall height: 62 mm, length: 240 mm, width: 22 mm). Assembly instructions are provided; print instructions include flipping the bridge 180 degrees and adjusting scale. Printed using MakerBot Replicator2 PLA filament at standard resolution with 7% infill, 2 shells, and 0.20 mm layer height. The model is free software under GNU General Public License. Note that the bridge must adhere to the build plate during printing to prevent warping.
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