This applet has a tool for both rhombus-60 and rhombus 45.
To use the applet, right click on the given design and select delete.
The tool second from the left yields a rhombus with acute angle 60°. The tool fourth from the left yields a rhombus with acute angle 45°. Select which rhombus you wish to use. Click anywhere on the axes. Input length of side. Input angle of rotation. Enjoy!