Take a long look at your sculpture Stewart; it’s the last you will see of it!
Spread the Titebond. Not too much; we don’t want a mess inside there. In the Shaker tradition, even though we can’t see it, The Almighty can.
The plywood caul is flexible enough to follow the curvature of the back or front.
-- Res severa verum gaudium - True pleasure is a serious business. http://www.folksy.com/shops/TreeGems