There is a law in France, all new washing machine since last year need to have a micro-particle filter installed.

A Bamix is bifl.

There is shops that can cast a ring based on your design.

You either send the 3D model, the resin ring you printed and the make a mold from it or the wax part.

This is more the road I would go towards. You can design your ring, maybe print it and try it on for a bit to make sure it’s the right size, iterate of necessary and then have it casted for you.