Posted on August 1, 2022March 24, 2023 by Dale Phillips Curved Panel Templates Curved Panel Templates by Reagan Cole Originally published in Guild of American Luthiers Data Sheet #80, 1978 Many instrument makers prefer to build guitars, mandolins and the like with pronounced curvature to the back panel(s). The most common method of fabricating a “vaulted” back is to work from a solid plug mold which must be carved and shaped to very exacting standards to produce acceptable results. The plug mold is in fact the best answer when one is building a number of identical instruments. The drafting technique I shall describe is a workable alternative for “one-off” projects or as an aid in visualizing three dimensional forms. Begin by making a full scale orthographic drawing of the intended form. This will show the back and side views, but it is not directly useful in determining the dimensions of thin wood (or other material) to be used in the construction. 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.