Posted on August 1, 2022February 29, 2024 by Dale Phillips The Design Diamond The Design Diamond by Dan Neil McCrimmon Originally published as Guild of American Luthiers Data Sheet #100, 1978 The basic idea behind this geometry jazz is to have the elements of design organized in such a way to give a sense of cohesion to the total design. The drawing is of a classic guitar, other guitars will be different but should have simple relationships. I have not tried this with the violin but suspect it should fit in there somehow. The whole design is broken into simple subdivisions of the total length of the sides (i.e. 1/2, 1/3, 1/4). Line XY is half the length of AB. Become A Member to Continue Reading This Article This article is part of our premium web content offered to Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 4 annual issues of American Lutherie and get discounts on products. For details, visit the membership page. If you are already a member, login for access or contact us to setup your account.