now the blocks are glued in you see how the taper of the instrument show the blocks are not level.

when the mold is upside down the neck endblock is held off the ground by the cornerblocks

my improvised sanding board for levelling the blocks

here you can see that one half is being sanded and the other has not been touched

it was hard work to get them level

with the cardbord pattern I mark out the inside corners of the ribs

a close up

They do not look quite right, maybe a little tall so I will revisit the drawings and check before removing any wood