CARA 3D objects

I'm trying to model a console that slopes: its 5' 4" long x 3' 3" wide x 2' 4" tall in the front and 3' 2" tall in the back. Any Ideas where I can find a prefabricated console with dimensions close enough to that (the rhintek and CARA sites don't offer a console at all) and I've yet to find any sites with any prefabricated work on them. I tried doing it myself but I'm running short on time and have been having trouble with the sloping. Any ideas? - OK I got a good enough console to work, the trick was setting the bottom with the sloping 3d object and not the top (CARA users will know) - thought I'd leave it up just in case. by the by: would anybody find a CARA LS file of the Mackie HR-824's useful. As popular as this monitor is among aspiring studio professionals they don't include it with the software and again, I've yet to find it anywhere.

http://www.mackie.com/products/hr824/ has the spec's you need to fill out the CARA loudspeaker details. not ideal but better than not... here's the sketchup in case anyone needs it for models.