Thank you. I did find that one after posting and think that's the best I'll get.
haha sadly no, Southern softy!If you are as Scottish as your name there is a firm called Anderson at Livingston who can repair them. There are others around if you try Google.
I think you will find that the tray is specific to your caravan model and they are just moulded to fit whatever space the designer has left for the shower. Caravan dismantlers might have one if you check, but it often means taking out the whole shower unit and can be a very long job.
Thanks for keeping us updated of the work so far .Had a punt myself... Not finished yet though, need to make it look nice ...View attachment 747