Parkettierung mit Davidstern / Tiling with the Star of David
Inspirationsquelle war das Muster aus einem Applet von Noel Lambert/A source of inspiration was the pattern in an applet by Noel Lambert
http://www.geogebratube.org/material/show/id/32105-Noel Lambert
to observe- in my YouTube kanal : http://www.youtube.com/user/Michailroman