Try Greg West who is a member of this site. I think he will sell plans for a custom enclosure for $20 CDN.
I don't know if he has that up on is site yet but just shoot him an E-mail.
His site is http://www.cornelsworld.com
If there is anything the nonconformist hates worse than a conformist, it's another nonconformist who doesn't conform to the prevailing standard of nonconformity.