Sorry - there's nothing I can do about the cost, it's mostly due to the size of the part in plastic and space in the printer. I had it at about 1:200 scale before, so the amount of plastic used and total volume went up quite a bit since it doubled in size. I've hollowed out the main body of the tank as best I can to cut down on material cost. Unfortunately, the biggest cost driver right now for WSF is the amount of space it takes up in the print bed, and since the tank is the size it is, that's about the best I can do right now. I'll see if there's a better way to get it cheaper, but that's probably about where I can get it to for now. Thanks though! There are a few more vehicles that I should be able to crack out soon, too.