I'm making a generator out of 1/4" Lexan, 8"x8"x4" to fit in a spot under my hood. I'm going to start with a 9 plate setup -NNN+NNN-, with my plates being 7"x3". I'm going to get nylon washers 1/16" thick so I can play with spacing. I'm hearing 1/8" is a good medium. I'm going to try NaOH as my electolyte. Right now I'm just having hell trying to find the fittings I need for being able to fill and clean my unit, as well as hooking up hoses. The local Home Depot and Lowe's are out of smaller hose barbs... Gay.

Here's a quick MSPaint drawing of the unit's basic form. I've already assembled it, minus the lid.