Nalls, my build is still in temporary camping mode, so don't have any fancy photos to show, but your floor layout looks very similar to what I expect to end up with. I figure a shower/pooper stall of 24"X36", or even 24"X48" will fit nicely. My kitchen framing is already built about where yours is located, but I have a sliding door about halfway blocked off by the kitchen table. Built into the kitchen framing is a 47 gal water tank on the floor and a largish top opening 80+ liter Dometic refrigerator/freezer above that, which is mounted on heavy drawer rollers. Sink will be where you show the wood burning and built in ovens and burners, but I will be using electric induction for cooking with a small propane unit for backup. The bed will convert to couch by day, and where you show a black cabinet and motorcycle will be my garage space. Li batteries and all the solar electronics should fit under the bed/couch. Where you show a computer desk I will fill with cabinets for food, etc., plus overhead storage along each side where not conflicting with bathroom, etc. I have room for 800 watts of solar on the roof, and figure another 800 if I wanted to create an awning out of more solar panels, or just lay them out on the ground. I'll close with one more idea for that shower: Original model - or heated water model V2 -