widths = [15.5, 15.8, 19.0];
handlelenbase = 75;
handlelendelta = [-15, 0, 10];
-locations = [-35, 0, 40];
+locations = [-35, 0, 37];
bladew = 5; // 2.5
maxhandledepth = 45;
frontbackslop = 0.25;
-knifewidthslop = 1.6;
+knifewidthslop = 2.0;
screwbackdepth = 6.0 - 1.0;
screwdia = 4.0 + 0.5;