Circular Shower I Need A Good Resource For A Circular Shower Curtain Rod Frame For Around A Clawfoot Tub.?

I need a good resource for a circular shower curtain rod frame for around a clawfoot tub.? - circular shower

I sell several sites that are online, but wow ... they are expensive! The cheapest I could find was over $ 200.
Does anybody know where I could find them for less?
Thank you!