Rhombus 45 (and 60) Art
Right click on the point in the center to delete given pattern.
The tool second from left yields a rhombus with acute angle 60 degrees. To use tool, choose a point on the screen, input the length of side you wish, then input rotation from the horizontal.
The fourth tool from the left yields a rhombus with acute angle 45 degrees. It works in the same way.