Forging a nuclear reactor.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...ar_reactor.jpg
Previously:
https://www.homemadetools.net/forum/...2374#post96156
https://www.homemadetools.net/forum/...371#post104108
