23 tongue2x = tongue2width - holedist;
25 module Tongue(tw,tt,ad,slots=2){
27 yn=ad-ridgewidth-strapwidth;
29 translate([-tw, 0, 0])
30 cube([tw, ad, tt+strapthick]);
32 translate([-tw-1, y0 + (yn-y0)*yi/(slots-1), tt])
33 cube([tw+2, strapwidth, strapthick+1]);
39 translate([-holedist-tabsider, 0, 0])
40 cube([tabsidel+tabsider+holedist, thick, tabunder+tabover]);
42 translate([x, 0, tabunder]) {
43 translate([0, -1, 0]) {
45 cylinder(r= holedia/2+0.5, h=thick+2, $fn=20);
48 translate([0, 19.95 + thick, 0])
49 cube(center=true,[10,40,10]);
52 Tongue(tonguewidth,tonguethick,totaldepth,3);
53 translate([tongue2x,0,0])
54 Tongue(tongue2width,tongue2thick,tongue2depth+thick,5);