Although not clear, we use five foot long foundation forms from Lowe's.
They are cardboard but last a long time. Most of my hobs are over four
pounds with one topping the scales at five & a half. (The forms are
only about $6.50 and come in two different sizes).

Hope it helps,
melissa m. nelson, CPC
The Full Nelson Ferretry
The Ferretry in the Country

[Posted in FML 7618]