canvas .cns -relief sunken -background "blue"
    .cns create polygon 5 100   50 5   150 5   200 100   5 100 \
        	-joinstyle bevel -fill "red" -outline "white" -width 5
    .cns create oval 200 100 300 200 -fill "green"
    .cns create oval 100 150 300 100 -fill "white" -width 0
    .cns create rectangle 10 150 100 250 -dash {6 4 2 4 2 4}
    pack .cns