shaper

Any agent that shapes (something), whether literally or figuratively.

one's birth is a shaper of one's fortunes

Considered merely as works of art, these products of the Greek imagination [i.e., Greek tragedies] satisfy our highest conception of form. […] The secret of those old shapers died with them; their wand is broken, their book sunk deeper than ever plummet sounded.

Any agent that shapes (something), whether literally or figuratively.

Any agent that shapes (something), whether literally or figuratively.