This is another decoration for your yard, a simplified steam train in the 4-4-0 American style. The drive wheels spin in the wind. Assembly is pretty straightforward: Print the body file and four of the wheel file. Slide the pins through the train body and place the wheels on either end with the spacers facing inward. The flat end of the pins should face down. Carefully glue the washers onto each end of the pins. Attach a brad to a thin post and place the train onto the brad. For extra durability, you can insert a brass sleeve into the mounting hole.
Print the train body at 100% infill. Print 4 wheels at 50% infill. I set my slicer scale for 700%, which gave me a decent size print.