- difference(){
- translate([-tonguewidth, 0, 0])
- cube([tonguewidth, totaldepth, tonguethick+strapthick]);
- for (y=[thick+0.1, totaldepth-ridgewidth-strapwidth])
- translate([-tonguewidth-1, y, tonguethick])
- cube([tonguewidth+2, strapwidth, strapthick+1]);
- }