: I just butt join them, strength doesn't matter, the wood is just a core, as
: long as the wood keeps the inner and outer glass skins attached and the
: same distance apart, doesn't matter what it is. That said, best to not
: line up the joints if you can help it.

: Bill H.

Strength is not the issue. A fair curve is. Butt joints create flats on either side of the joint.

This is the same reason I wouldn't use wood with knots.

And, the large area of end grain will show up as a dark line.

Butt, perhaps you like the "look"!

Rob