phone_total_thick = 12.0;
phone_backside_slope = 1.0; // larger means shallower
-camera_pos_tl = [ 7.5, 13.5 ]; // measured from tl corner
+camera_pos_tl = [ 7.0, 13.0 ]; // measured from tl corner
camera_pos_br = [ 24.0, 39.5 ]; // tl/br as seen from back
case_th_bottom = 2;