How to make a perfect metal ball out of the plate

How to make a perfect metal ball out of the plate

https://www.youtube.com/watch?v=CkB8QT9AKo4

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Thanks Kovanca Polock! We've added your Sphere Press to our Brakes and Presses category,
as well as to your builder page: Kovanca Polock's Homemade Tools. Your receipt:

<div id="blocks"> <div class="block b1 pngfix"> <div class="bimg"> <div> <a href="http://www.homemadetools.net/homemade-sphere-press"> <img src="/uploads/218733/homemade-sphere-press.jpeg"/> </a> </div> </div> <div class="head pngfix"></div> <div class="left pngfix"></div> <div class="right pngfix"></div> <div class="blockover b1 pngfix"> <div class="title"> <a href="http://www.homemadetools.net/homemade-sphere-press">Sphere Press</a> <span> by <a href="http://www.homemadetools.net/builder/Kovanca+Polock">Kovanca Polock</a></span> </div> <div class="tags">tags: <a href='http://www.homemadetools.net/tag/press'>press</a> </div> </div> </div> </div>
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Very impressive skill level!