Mastershape[br][br]a length edge [br]α angle [br]move by dragging blue point[br]rotate by dragging green point[br][br][make] a copy of mastershape[br][br][url=https://www.geogebra.org/m/fnpzejfj]Rautenparkettierung-Rosette[math]\nwarrow[/math][/url][br][br]