Started with Atlas TrainMan O-Gage 40′ Northan Pacific Box Car.
Take it all apart.
Paint outside of wheel with tie brown.
Weather wheel with brown and black alcohol.
Weather floor decking.
Scrape walls where door would wear.
Scrape paint where door would wear.
Masking truck for painting.
Weathered with airbrush, powders, oil paint, hand paint. Done!