$fn=60;

include <BOSL2/std.scad>

module wall() {
    difference() {
        union() {
            translate([0,0,19]) cuboid([3,85,38], rounding=3, edges=[TOP+FRONT,TOP+BACK]);
        translate([-1.5,0,2]) ycyl(l=85, d=3);
        translate([-1.5,0,15]) ycyl(l=85, d=3);
        translate([-1.5,0,28]) ycyl(l=85, d=3);
    }
        translate([0,-38.5,7]) xcyl(l=3, d=3.5);
        translate([0,-38.5,20]) xcyl(l=3, d=3.5);
        translate([0,-38.5,33]) xcyl(l=3, d=3.5);
        translate([0,38.5,7]) xcyl(l=3, d=3.5);
        translate([0,38.5,20]) xcyl(l=3, d=3.5);
        translate([0,38.5,33]) xcyl(l=3, d=3.5);
    }
}


difference() {
    union() {
        rect_tube(h=3, size=[85,85], wall=10, center=true, anchor=TOP)
        translate([36.5,0,0]) wall();
        translate([-36.5,0,0]) mirror([1,0,0]) wall();
        rotate([0,0,41]) cuboid([170,10,3], rounding=5, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
        rotate([0,0,-41]) cuboid([170,10,3], rounding=5, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
            tube(od=135, id=125, l=3);
        }
    * cuboid([66,75,8]);
    translate([60,52.5,0]) zcyl(l=10, d=4.5);
    translate([60,-52.5,0]) zcyl(l=10, d=4.5);
    translate([-60,52.5,0]) zcyl(l=10, d=4.5);
    translate([-60,-52.5,0]) zcyl(l=10, d=4.5);
}