real_diam = 25.8;
real_depth = 40.2;
fudge = 0.1;
diam = real_diam + fudge;
depth = real_depth + fudge;
detail = 100;
thickness = 3;
plate = 80;
front = 32;
focus = 1.2;

module mock_scope(x, y) {
    cylinder(h = depth + y, d = diam + x, $fn=detail);
}

module slices() {
        translate([-diam,-focus/2,0]) cube([diam*2, focus, depth+0.02]);
        rotate([0,0,90]) translate([-diam,-focus/2,0]) cube([diam*2, focus, depth+0.02]);
}

module aim_slices() {
    difference() {
        slices();
        translate([0,0,depth-diam/2]) rotate([0,0,45]) cylinder(h=diam/2+2, d1=diam*3.14159/2, d2=focus*3.14159/2, $fn=4);
        translate([0,0,1.2]) mock_scope(0.01,-diam/2);
        
    }
}

module mock_scope2(x, y) {
    difference() {
        mock_scope(x, y);
        aim_slices();
    }
}

module billet() {
    union() {
        cylinder(h = depth, d = diam + thickness, $fn=detail);
        cylinder(h = depth/front, d = (diam + thickness)*1.8, $fn=detail);
        translate([-plate/2,-thickness/2,0]) cube([plate, thickness, depth/front]);
        rotate([0,0,90]) translate([-plate/2,-thickness/2,0]) cube([plate, thickness, depth/front]);
        //inner_cut();
    }
}


module product() {
    difference() {
        billet();
        translate([0,0,-0.01]) mock_scope2(0,thickness*2);
    };
}



product();
//mock_scope2(0,0);