22 tongue2x = tongue2width - holedist;
24 module Tongue(tw,tt,ad){
26 translate([-tw, 0, 0])
27 cube([tw, ad, tt+strapthick]);
28 for (y=[thick+0.1, ad-ridgewidth-strapwidth])
29 translate([-tw-1, y, tt])
30 cube([tw+2, strapwidth, strapthick+1]);
36 translate([-holedist-tabside, 0, 0])
37 cube([tabside*2+holedist, thick, tabunder+tabover]);
39 translate([x, -1, tabunder])
41 cylinder(r= holedia/2+0.5, h=thick+2, $fn=20);
43 Tongue(tonguewidth,tonguethick,totaldepth);
44 translate([tongue2x,0,0])
45 Tongue(tongue2width,tongue2thick,tongue2depth+thick);