make formless; "the heat deformed the plastic sculpture"
twist and press out of shape
cause (a plastic object) to assume a crooked or angular form; "bend the rod"; "twist the dough into a braid"; "the strong man could turn an iron bar"
become misshapen; "The sidewalk deformed during the earthquake"
alter the shape of (something) by stress; "His body was deformed by leprosy"
assume a different shape or form