cheers for the replies all. It may just end up being a DIY project using quickalloy or something similar.
Take a look at Alginate molds-super cheap and quick to make-a £5 bag would do you easy-the silicone might be about a tenner if you shop about for a small kit.
@neil-bah started
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cheers for the replies all. It may just end up being a DIY project using quickalloy or something similar.