22 tongue2x = tongue2width - holedist;
24 module Tongue(tw,tt,ad,slots=2){
26 yn=ad-ridgewidth-strapwidth;
28 translate([-tw, 0, 0])
29 cube([tw, ad, tt+strapthick]);
31 translate([-tw-1, y0 + (yn-y0)*yi/(slots-1), tt])
32 cube([tw+2, strapwidth, strapthick+1]);
38 translate([-holedist-tabside, 0, 0])
39 cube([tabside*2+holedist, thick, tabunder+tabover]);
41 translate([x, -1, tabunder])
43 cylinder(r= holedia/2+0.5, h=thick+2, $fn=20);
45 Tongue(tonguewidth,tonguethick,totaldepth);
46 translate([tongue2x,0,0])
47 Tongue(tongue2width,tongue2thick,tongue2depth+thick);