#declare turm = 
    lathe {
	30,
	<0.0, 0.0>,
	<4.0, 0.0>,
	<4.0, 1.0>,
	<3.4, 3.0>,
	<3.4, 3.7>,
	<4.0, 5.4>,
	<4.8, 5.4>,
	<4.8, 5.8>,
	<4.0, 5.8>,
	<2.7, 9.5>,
	<4.0, 9.5>,
	<4.0, 10.5>,
	<3.1, 11.6>,
	<2.9, 12.9>,
	<1.4, 12.9>,
	<1.4, 13.9>,
	<3.1, 13.9>,
	<3.1, 14.3>,
	<1.4, 14.3>,
	<1.4, 14.6>,
	<3.1, 14.6>,
	<3.1, 14.9>,
	<1.4, 14.9>,
	<1.4, 15.3>,
	<3.1, 15.3>,
	<3.1, 15.6>,
	<3.1, 16.5>,
	<3.9, 16.5>,
	<3.9, 17.5>,
	<0.0, 17.5>
	texture {
	    pigment {
		image_map {
		    png "turm-c.png"
		    map_type 2
		}
		scale <1, 17.5, 1>
	    }
	}
	normal {
	    bump_map {
		png "turm-b.png"
		map_type 2
		bump_size 5
	    }
	    scale <1, 17.5, 1>
	}

    }