22 hstrengdepth = strapwidth;
26 tongue2x = tongue2width - holedist;
28 module Tongue(tw,tt,ad,slots=2){
30 yn=ad-ridgewidth-strapwidth;
32 translate([-tw, 0, 0])
33 cube([tw, ad, tt+strapthick]);
35 translate([-tw-1, y0 + (yn-y0)*yi/(slots-1), tt])
36 cube([tw+2, strapwidth, strapthick+1]);
42 translate([-holedist-tabsider, 0, 0]) {
43 cube([tabsidel+tabsider+holedist, thick, tabunder+tabover]);
44 cube([tabsidel+tabsider+holedist, thick+hstrengdepth, hstrengthick]);
47 translate([x, 0, tabunder]) {
48 translate([0, -1, 0]) {
50 cylinder(r= holedia/2+0.5, h=thick+2, $fn=20);
53 translate([0, 19.95 + thick, 0])
54 cube(center=true,[10,40,10]);
57 Tongue(tonguewidth,tonguethick,totaldepth,3);
58 translate([tongue2x,0,0])
59 Tongue(tongue2width,tongue2thick,tongue2depth+thick,5);