Found my inspiration at 4 am.
http://mainegov-images.informe.org/dmr/education/Before%20and%20After.pdf
Cool, Brigitta. You could easily build this from John's plans - modifying and adding details as necessary. I didn't see the exact floor size details but you could either find out or just copy the style on the size of your choice.
Sounds like you better get some sleep now. :)