You may have seen my post over at Papermodelers.com, but I'll say it again, but his a difficult model to make and you did a wonderful job. The wheels are, well, take some careful attention, to say the least. You lined up the seams excellently. I never though about scaling it up, and now that I have a wide format printers, you are really making me think about making a "biggun'".
She's a beauty, makes we want top jump in and go for a ride. There's a guy around here who owns a blue one. Every Summer he takes it out. It is a rare sight to behold, and he turns a lot of heads with it. Excellent job!