This download includes .STEP and .STL files for the FM OP-800 doodlebug originally built for the Southern Railway in HO scale. The model represents one of the six cars later in life in M of W service on the Georgia and Florida as their #81. To complete the model as shown, you’ll want to use both an FDM 3D printer as well as a resin 3D printer. You also may have to split the shell model into multiple parts in order to fit it into the build area of smaller resin printers. The model is designed to be powered by Kato parts, specifically their RSC2 model. You’ll also need to extend the driveshafts from the motor with the likes of PPW/A-line or silicone tubing.
I am not offering the O scale version for download as it’s basically a scaled up version of the HO model with no provision for proper motorization.
