expand-chuck lid and add tenon/groove for compress-chuck at top
compress-chuck lid and size base of lid to diameter of box
if in-fitting then size to inside diameter of box
this will be the outside of a ridge
if out-fitting size to outside diameter of box
this will be the inside of a ridge
for salt-cellars there's no ridge since lid has hinge and slides over top of box
finish shaping bottom of lid
add groove to inside ridge area for expand-chuck lid later
taper ridge to allow for more options to size to box
sand and finish bottom of lid
be sure to test-fit to box
expand-chuck bottom of lid
shape top of lid as desired
include center knob for tight-fitting lids
lids that extend beyond edge of box don't need knobs
sand and finish box lid