Try your local £1 shop or the equivalent for foam chopping boards.
I traced round a battery pack with felt tip pen then cut with craft knife (long slim blade), or if you can find a correct or near size copper or other metal tube, run a file around the inner edge to form a sharp edge and spin it down into the foam to the depth you want ( not much good for soft dense foam though, only hard stuff).
Hope this helps too
Last edited by scotoap; 14-12-2007 at 08:51 AM.
Reason: spelling etc.
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