HO Scale Ship Propeller Load

Ship propeller load for center depressed flat car. This thing is just the cribbing/dunnage. The propeller itself is [Thing 3561330](https://www.thingiverse.com/thing:3461330) scaled to have an outer diameter of 48 mm (near 14 scale feet) and be 12 mm deep.

The load is intended to be secured to the car with black-painted phosphor bronze wire.

The dunnage can accomodate up to four [0.25 ounce tire weights](https://www.amazon.com/dp/B07PPPVB24?ref=ppx_pop_dt_b_product_details&th=1) in order to bring the car up to NMRA spec.