Thanks prezes . It think I’ve seen that dosing funnel on Amazon. I’ve also spotted the one in your picture just to the left which has magnets - presumably this was no good?
I thought it was better to stay away from a funnel with a lip that that sat in the basket, which is why I went for the funnel I bought, but at least a lip inside would prevent grinds getting between the funnel and basket. Perhaps I can find a workaround with what I’ve already got, but interested to see what others are doing.