Spin casting a metal part - GIF

Spin casting a metal part. Not really sure what those are.

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Previously:

https://www.homemadetools.net/forum/...917#post187064
https://www.homemadetools.net/forum/...132#post184413
https://www.homemadetools.net/forum/...730#post178709
https://www.homemadetools.net/forum/...187#post168981
https://www.homemadetools.net/forum/...pe-video-70649

How I spent some early school holidays but on multi-head machines. As Dad said, " learn about factory work so you will want to do something else".

Expensive cocaine spoons.

nice fireproof fume hood!

Interesting... The pattern was a complete circle yet he poured only enough to do less than half repeatedly. Also, with less than half the volume needed, how come the gates and runners were filled in one or two quadrants and not randomly in others? Unless the empty side was blocked off purposely?