// variables
e = 22;
// modules
module plato () {
    cube([410, 315, e]);
    linear_extrude(e) polygon([[0, 0], [55, -16], [105, -26], [155, -32], [205, -35], [255, -32], [305, -26], [355, -16], [410, 0]]);
}

module montant() {
    difference() 
        cube([e, 315, 486]); // planche
        translate([15, 300, 0]) cube([7, 5, 508]); // rainure
}

module chapeau() {
    linear_extrude(e) import("chapeau.dxf");
}

module pied() {
	rotate([90, 0, 0]) linear_extrude(e) polygon([[0, 0], [40, 0], [80, 60], [0, 60]]);
}