malleable

capable of being shaped or bent or drawn out

Capable of being extended or shaped by beating with a hammer, or by the pressure of rollers; -- applied to metals.

Lat malleus: hammer

“Could anything be so monstrous, when one can see that he is malleable to the twist of your little finger?”

— George Meredith, Complete Project Gutenberg Works of George Meredith

In Bogotá's craft market, Achilles found a malleable statue of a bull, perfect for his niece. As he bent it into a dog, a guard mistook his creative touch for theft and chased him through the streets, the misshapen bull swinging wildly from Achilles’s hand like a strange trophy.

Nina watched the blacksmith in Reykjavik's old town forge a horseshoe. As the metal cooled, it became malleable enough to hammer into shape, bending easily under his practiced blows.

“It uses figures made of clay or a similar malleable material to create stop-motion animation.”