Whetstone Bridge

Print number of parts according to the x1 x2 x3 in the name.
You will need about 32" of 5/16-18 threaded rod, 4 hex nuts, and 2 lock nuts.

To assemble:

Thread threaded-rods into "threaded whetstone block" (L-lip facing down and end of rods)
You can heat the threaded rod to make threading it into the block easier.

Slide on one "unthreaded whetstone block" (L-lip facing up and towards center of rods)

Followed by one or two "Center support whetstone blocks"

Slide on one "unthreaded whetstone block" (L-lip facing up and towards previous L-lip)

screw on two thumb screw knobs per rod.

Slide on final "unthreaded whetstone block" (lip facing down and away)

cap with nyloc-nuts