I get some parts for my HO Steam engine builds from Shapeways.Shapeways will print your design in 316 stainless steel. Of course you need to develop a 3D design. I can send a Fusion 360 program for that. It's generic with inputs for diameter, hub, number of blades, blade area, pitch, cup, and rake. The final object may need some refinement. You need to be very familiar with Fusion 360 to understand the factors involved. There are limits on all the parameters to realistic values. So far I've only printed plastic versions. They could be investment cast in a variety of materials.
why not just keep wrapping it around and use one blade making a screw like the first prop ever made?