Materials:1) Foam- I used camping foam. (Can be bought at Walmart, $9 for a 20" by 72" roll. Needs to have a half inch thickness.2) Craft Knife- I use a Stanley. Buy a quality one if don't already own one.3) Duct Tape- Good old duct tape. I used the Gorilla version because you can buy it in differen...By: CATP12
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from Instructables: exploring - technology - robots http://ift.tt/11ZDWLI
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