« Reply #30 on: December 27, 2013, 10:45:52 am »
One source for the correct density foam is to use a 15 or 20mm yoga mat. You can pick 'em up on eBay or sports shops (
maybe even Clarks Rubber) for under $20. You can cut them up and glue them together with spray glue until you get the desired thickness and then use the old electric bread life to shape it like Slakey's done. I haven't seen this particular density rubber in 40mm thickness but it's probably available. This is the desired density foam.
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