Melting and Making Circular Aluminium Clamps

Hi guys, I need to make a bunch more of these, so I would love your feedback on my likely flawed 'process'. :headscratch:
Enjoy:

https://youtu.be/izxUqBCf8Io

Attachment 28199

Attachment 28200

<!-- BEGIN /var/www/html/homemadetools/protected/modules/zeus/views/tool/postUpdate.php -->
Thanks bongodrummer! We've added your Clamps to our Forging and Casting category,
as well as to your builder page: bongodrummer's Homemade Tools. Your receipt:

<div id="blocks"> <div class="block b1 pngfix"> <div class="bimg"> <div> <a href="http://www.homemadetools.net/homemade-clamps-4"> <img src="/uploads/221208/homemade-clamps-4.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-clamps-4">Clamps</a> <span> by <a href="http://www.homemadetools.net/builder/bongodrummer">bongodrummer</a></span> </div> <div class="tags">tags: <a href='http://www.homemadetools.net/tag/clamp'>clamp</a> </div> </div> </div> </div>
<!-- END /var/www/html/homemadetools/protected/modules/zeus/views/tool/postUpdate.php -->