I'm PM'ing you since I don't know if these things are public. You can however find some ideas from their standard sizes here: http://www.dfwaquarium.com/Products/Planet-Aquariums/Geraud,
What size tank did you order? what was the final cost if you don't mine me asking?
I'm looking at the mega matrix 215g but with some custom holes on the side pane. Haven't received a quote back yet.