I can't ask for a better reference than that, this forum rocks

Thank you

: In the pic, the wood stringers being used were 5/8". If you
: are using 3/4", then the cutout is 3/4" to match the
: offset point.

: The plywood will not interfere as it's recessed by the concave
: cutout area as seen in the pics. The concave can be set back a
: little
: at the stringers if you want, though it's not necessary....but the
: outside of the stringer's should be equal to the offset point's
: unless otherwise indicated.

: Tom