Weathering Tool for RR-Wheels

thingiverse

There are 2 versions, one for 9mm and another for 10 mm wheels The tools can hold 4 axles with wheels for weathering by airbrush. Print out twice each and glue together. Simply squeeze the axles between the toolfingers and airbrush the front faces of the wheels. The wheel treads and flanges are protected from paint, electrical contact is not affected and the rails will not wear any residue.