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Be sure to use plenty of clamps and/or weights.
You don’t need great pressure, just even pressure all around.
Check all around the perimeter to make sure there are no gaps.
_____7. You can glue the two INNER BRACES to the inside of the BACK at the same time, as shown. Center
them on the centerline, placing the shorter one toward bout 7” from the narrow end, and the longer one about 11”
from the wider end. Use masking tape and weights to hold the BRACES as you glue them in place until dry.
flat
plywood
support
underneath
BACK
braces
_____6. When satisfied with the fit of the BACK,
put a bead of glue on the edges of the SIDES and
END BLOCKS that contact the BACK, all the way
around the instrument, and clamp the entire assembly
down on the BACK,
against a flat board or table top
so that you end up with a nice flat, straight frame.
DO NOT GLUE THE SPACERS! they need to be
removed before you close up the box.
7”
9”
5