At least if you build Blade F16 you don't need to do that yourself <img src="http://www.catsailor.com/forums/images/graemlins/wink.gif" alt="" />

Seriously the bulkheads could be done from the 4' and deck from side of the panel if designed carefully. This way it should be just plotting and then cutting thus saving the trouble of joining the panels.

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Valtteri