Mudguard needed to fit PX forks

I am in the process of fitting a disc brake to my Motovespa 150S.

A PX fork has slotted in perfectly, but the mudguard doesn’t want to know. I have cut chunks out of the mudguard and the fork trying to get it to fit, but it’s no good.

Does anyone know if there is a curvy mudguard that will be easy to convert for the PX forks? I have bought a PX one but it looks bad on my old scoot.