simple train (openscad code included for modification)

thingiverse

A humble train, moving steadily along its tracks, carrying people and goods from one place to another. Its rhythmic chug is a familiar sound in many parts of the world. The train's importance cannot be overstated, as it plays a vital role in connecting communities and facilitating trade. From rural areas to bustling cities, trains provide a lifeline for those who depend on them. Whether carrying passengers or freight, the train remains a vital part of modern transportation.