I'm currently building a mini cab. Minimame didn't have enough information to build the cab because it's based on the fact that you print out the sides full scale, I wasn't able to figure out how to do that.
So I went to Jakobud's site
http://www.jakobud.com/ and took the dimentions for defender and multiplied everything by .68 to scale it down to 68%. Some of the numbers needed to be tweeked a little but that got it very close to what I needed.
Here's my rough sketch. The #'s outside are for the sides.
It's 2 feet deep, 4 feet tall, 17 inches wide.