Fiberglass? I'll look but until then: http://eurekaaircraft.com/plan_kits/curare.htm
http://www.vogelsang-aeroscale.com/sunshinecurare.html
look at http://www.trentonrcflyers.com/pattern/patternc.htm

one occasionally shows up on EBAY - Rare though.

check with the classic pattern forum I think RCU has.