// prise
module prise(h) {
    hull() for (x=[-1,1]) {
        translate([x*(37/2),0,0]) cylinder(h=h, d=2, center=true, $fn=36);
        for (y=[-7,7]) translate([x*(35/2-6),y,0]) cylinder(h=h, d=1, center=true, $fn=60);
    }
};

difference() {
    minkowski() {
        union() {
            minkowski() {
// Prise
                translate([0,60,0]) prise(1);
                cylinder(h=1, d=15, center=true, $fn=90);
            }

// Ligne
            translate([-9,0,-1]) cube([18,50,2]);

// Cercle bas
            cylinder(h=2, d=18, $fn=120, center=true);
        }
        sphere(d=2, $fn=30);
    }
    translate([0,60,0]) prise(10);
}

// Support d'attache
intersection() {
    hull() {
        translate([0,0,-.25]) cylinder(h=6, d=3, $fn=36);
        translate([0,-7,2.75]) cube([3,3,6], center=true);
    }
    union() {
        cylinder(h=6, d=9, $fn=60);
        cylinder(h=5, d1=20, d2=9, $fn=90);
    }
}

// Disque d'attache
minkowski() {
    translate([0,0,5.5]) cylinder(h=1, d=7, center=true, $fn=120);
    intersection() {
        sphere(d=2, $fn=30);
        translate([0,0,1]) cube(2, center=true);
    }
}