On another question I got the suggestion for using library shevling for what I am trying to so.
This is a great idea now I've seen a picutre
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know where I can get hold of some cheap. I'm off to ebay know, but I guess it's the kind of thing that gets thrown out often.Ideally I only need either side and the shelve supports. With the aim of creating a custom size to fit my cupboards
PS: If you know of any other ideas, adjustable is the key