One more quick convergence, because really I have the feeling that I'm unto something. Above is the Metal Master from issue 6 of the original Hulk wielding his powers, art by Steve Ditko. This is how the Master himself explains his artistic process in an earlier panel: "On the planet Astra, our sculptors make magnificent statues of metal, forming them, shaping them, by their mental commands alone!"

Should you now wonder what became of this pretty awesome work, as clearly you should (did it really dwindle away into--gasp--nothing? despite the fact it just seems to take on a life of its own), here's On the Hook from 2006, a steel sculpture by Berlin artist Alexej Meschtschanow, who as far as I know works in a similar way. It's too obvious for words, really. The sculpture is even cut off where the panel ends ...