Used to generate an STL coin face

relief_generator.scad

layer_height = 0.2;
model_height = 1;

union() {
    for (i=[0:layer_height:model_height]) {
        translate([0,0,i])
            linear_extrude(layer_height)
                offset(-i*0.6)
                    resize([10,10,layer_height])
                        import("Symbol.svg", center = true);
    }
}