totaldepth = 26;
tongue2depth = 35;
thick = 4;
-tabover = 7;
+tabover = 7+6;
tabunder = 15;
-tabside = 7;
+tabsidel = 7;
+tabsider = 7+10;
tonguethick = 4;
tongue2thick = 5;
strapwidth = 5;
ridgewidth = 2;
+hstrengthick = 2.5;
+hstrengdepth = strapwidth;
+
+cutoutover = 7;
+rcutoutside = 7+2 - 0.5;
+lcutoutside = 7-6.5 - 0.5;
+
+t2strengwidth = 10;
+
holedia = 3.5;
tongue2x = tongue2width - holedist;
y0=thick+0.1;
yn=ad-ridgewidth-strapwidth;
difference(){
- translate([-tw, 0, 0])
- cube([tw, ad, tt+strapthick]);
- for (yi=[0:slots-1])
+ union(){
+ translate([-tw, 0, 0])
+ cube([tw, ad, tt+strapthick]);
+ child();
+ }
+ for (yi=[1:slots-1])
translate([-tw-1, y0 + (yn-y0)*yi/(slots-1), tt])
- cube([tw+2, strapwidth, strapthick+1]);
+ cube([tw+2, strapwidth, strapthick+0.05]);
}
}
module Object(){
difference(){
- translate([-holedist-tabside, 0, 0])
- cube([tabside*2+holedist, thick, tabunder+tabover]);
+ translate([-holedist-tabsider, 0, 0]) {
+ cube([tabsidel+tabsider+holedist, thick, tabunder+tabover]);
+ cube([tabsidel+tabsider+holedist, thick+hstrengdepth, hstrengthick]);
+ }
+ translate([0,-25,tabunder+cutoutover]) {
+ translate([-(holedist+rcutoutside), 0,0])
+ mirror([1,0,0])
+ cube([50,50,50]);
+ translate([lcutoutside, 0,0])
+ cube([50,50,50]);
+ }
for (x=[-holedist,0])
- translate([x, -1, tabunder])
- rotate([-90,0,0])
- cylinder(r= holedia/2+0.5, h=thick+2, $fn=20);
+ translate([x, 0, tabunder]) {
+ translate([0, -1, 0]) {
+ rotate([-90,0,0]) {
+ cylinder(r= holedia/2+0.5, h=thick+2, $fn=20);
+ }
+ }
+ translate([0, 19.95 + thick, 0])
+ cube(center=true,[10,40,10]);
+ }
}
Tongue(tonguewidth,tonguethick,totaldepth,3);
translate([tongue2x,0,0])
- Tongue(tongue2width,tongue2thick,tongue2depth+thick,5);
+ Tongue(tongue2width,tongue2thick,tongue2depth+thick,5) {
+ hull(){
+ translate([-(tongue2width-t2strengwidth)/2, 0,0])
+ mirror([1,0,0])
+ cube([t2strengwidth,50,20]);
+ }
+ }
}
Object();