Hi Jas,
Welcome to iceinspace! I used a cardboard (sonotube) for a 10 inch which worked well. I still have it (the tube) so if you would like it PM me. I live in Mount Martha which might be a bit far for you.
I just rebuilt the tube using three straight aluminium struts like shown here:
http://www.synrgistic.com/astro/telescopes/traveler.htm
So far I am pleased with the results.
Rod.