Repairing a cello's rib cracks. Here is another one where the crack was bulging in different parts of the rib. Using a mold help insure that the rib crack gets lined up correctly.
Fixing cracked ribs when it's not worth taking to top off. This cello had multiple cracks with the grain and across the grain. One side of the crack was jammed under the other side and I actually had to pry the cracks level before gluing. Then I used that mold to insure that the cracks remained level..