I am replacing windows in my house and at the same time replacing the exterior trim with PVC. I'm having trouble sourcing large rosettes (6-1/2" square) so I've resigned myself to the fact it might make sense to manufacture my own.
Window.JPG

I'm having trouble locating either a method or tool that will allow me to make my own. The actual round portion needs to be approximately 5" in diameter.

I know I could turn them on my lathe but that will be a tremendous amount of work based on the number I need to make.

Does anyone have suggestions? I would also be willing to purchase them but have been unable to find a retailer that sells anything larger than 5-1/4" square rosettes.

Thanks,
Wes