Too many CAD projects in the hopper as it is. This one is relatively easy with a milling machine. Just the plug door needs to be 3D-printed. Although I had to buy two boxcars because PWRS doesn’t offer a variation with 12-post sides and vented ends.
The lower sill profile on the 12-rib body needs modification, and the roof bow ties and the sliding doors and door tracks need to be milled off. The ends need to be removed and replaced with the vented ends. That’s one hobby night of work, less time than creating the digital model.