Here you go. Corner radius is ~3/16 (a 3/8 drill bit fits in there fairly close). The bottom of the opening is 1" above the speaker/grille opening.
Last edited by klhansen; 09/12/20208:56 PM. Reason: added more info
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.