width = 337;
height = 174;
thickness = 3;

tube_diam = 125;
wall_thickness = 3;
tube_mount_height = 30;

conical_height = 40;

cone_scale_x = 2.5;
cone_scale_y = 1.2;

$fn = 100;
difference(){
    union(){
        difference(){
            cube(size=[width, height, thickness], center=true);
            scale([cone_scale_x, cone_scale_y, 1])
            cylinder(r=tube_diam/2-wall_thickness, h=2*thickness, center=true);
        }
        translate([0,0, (tube_mount_height+thickness)/2+conical_height])
        difference(){
            cylinder(r=tube_diam/2, h=tube_mount_height, center=true);
            cylinder(r=tube_diam/2-wall_thickness, h=tube_mount_height+1, center=true);
        }
        translate([0, 0, (conical_height+thickness)/2])
        walledCone(tube_diam);

        
        // translate([0, 0, (conical_height+thickness)/2])
        // difference(){
        //     cylinder(h=conical_height, r1=tube_diam/2+20, r2=tube_diam/2, center=true);
        //     cylinder(h=conical_height+1, r1=tube_diam/2+20-wall_thickness, r2=tube_diam/2-wall_thickness, center=true);
        // }
    }
    translate([width/2, 0, -5])
    cube([width,height+5,200], center=true);
}


module cone(diam, hei=conical_height){
    hull(){
        scale([cone_scale_x, cone_scale_y, 1])
        cylinder(h=hei, r1=diam/2, r2=0, center=true);
        cylinder(h=hei, r=diam/2, center=true);
    }
}

module walledCone(diam){
    difference(){
        cone(diam);
        cone(diam-2*wall_thickness, hei=conical_height+0.1);
    }
}