Andy
Honorary Member
If you want rigidity, yes. If you want a lowered fundamental, then all, or mostly vertical, is the way to go. Essentially, you can mix it up whatever way you want.With ply construction, each ply the grain should wrap one way per ply, and 90 degrees the next ply etc.
After everything's been bolted to the shell, any differences in result are fairly nuanced, but DW have pretty much made a living on the back of this, have approximately 22,700 videos on the subject, and the marketing equivalent of death by acronym