//snapFitMale([100, 30, 30], 10);

//snapFitMaleF([100, 30, 30], 10);


module snapFitMale(wdh, edgeCutD) {
    eps = 0.001;
    d = wdh[1] + edgeCutD;
    a = atan(wdh[2] / d);
    
    translate([0, -edgeCutD,0]) {
        difference() {
            cube([wdh[0], d, wdh[2]]);

            translate([-eps, 0,0]) {
                rotate([a,0,0]) {
                    cube([wdh[0]+eps*2, d*2, wdh[2]*2]);
                }
            }
        
            translate([-eps, 0, -eps]) {
                cube([wdh[0]+eps*2, edgeCutD, wdh[2] + eps]);
            }
        } // diff
    } // bring to 0,0,0
}

module snapFitMaleF(wdh, edgeCutD) {
    translate([wdh[0], 0, wdh[2]])
        rotate([0,180,0])
            snapFitMale(wdh,edgeCutD);
}

module snapFitFemale(wdh, edgeCutD, pad = 0) {
    d = wdh[1] + edgeCutD;
    cube([wdh[0], d, wdh[2]+pad]);
}