As has been said wood is just pre-paper and thus is allowable.
You tried and learned from your efforts; that is the main thing. Do you have pictures of the hull? I, for one, would like to see how it turned out.
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This is a great hobby for the retiree - interesting, time-consuming, rewarding - and about as inexpensive a hobby as you can find.
Shamelessly stolen from a post by rockpaperscissor