Ras
Prolate Spheriod Fan
Looks good........
<iframe width="560" height="315" src="https://www.youtube.com/embed/SoFRTpLILyg" frameborder="0" allowfullscreen></iframe>
<iframe width="560" height="315" src="https://www.youtube.com/embed/SoFRTpLILyg" frameborder="0" allowfullscreen></iframe>