// contrasting shape and color
forever
{
	paper 100
      	load dbngraphics.dbn
        // contrasting color of different triangles
	pen 40
	repeat a 0 80
	{
		line 40 60 a 0
	}

        repeat a 22 100
	{
	        line 60 40 a 100
	}
        pen 10
        repeat a 67 140
        {
	        line 107 100 a 40
	}

        repeat a -56 34
	{
	        line -6 0 a 60
	}
	// contrasting line and shape of triangles
	// with circles
	circle 44 80 15 90
	circle 44 80 16 90
	circle 44 80 14 90
	circle 43 82 5 10
	circle 43 82 4 10
	circle 70 75 7 10
	circle 70 37 25 90
	circle 70 37 24 90
	circle 70 37 23 90
	circle 33 33 9 10
}