Gluing the linings to both the side of the top and the back before removing the form is a peculiarity of the ancient Cremonese method, as can be deduced from the working marks found on the original forms of Stradivari preserved in the Cremona Violin Museum. The linings of the C must be recessed in the corner blocks (a typical feature of the ancient Cremonese school) to guarantee the strength and elasticity necessary during the extraction of the form.
To see the full set of videos on rib making:
https://www.youtube.com/watch?v=F3y0-PSoL74&list=PLaxadm6POX7EDdiroIqVTbztJmKuSbHYU
Index of all videos: http://davidesora.altervista.org/
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