Think I figured most of it out(maybe)? some holes were already there but hidden under the plug on the vacuum tool. I also realized it wasn't creating a vacuum so set it deeper to allow bridging toe the exterior first to create a seal and let the vacuum do its work. on top of all that I was so close to the vacuum hose couldn't draw down much. addressed all those issues and still having more issues - namely material size so far limited to what fits in the toaster over I'm using as a heat source. going to make a insulated foam hot box powered by a heat gun (internal baffled to prevent blowing up material like a balloon) and use a full sized sheet 11x17 vs something cut to fit within a toaster oven. am I missing anything else? 
FYI hole on the top is thru serves double duty 1) pull vacuum when forming 2) drill location indicator for finished canopy 3) drain hole for air/water when diving/surfacing - the cockpit is perforated to do this as well
FYI hole on the top is thru serves double duty 1) pull vacuum when forming 2) drill location indicator for finished canopy 3) drain hole for air/water when diving/surfacing - the cockpit is perforated to do this as well
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