assemblagist

[ uh-sem-bluh-jist, as-ahm-blah-zhist ]
/ əˈsɛm blə dʒɪst, ˌæs ɑmˈblɑ ʒɪst /

noun

an artist who produces works of art using the techniques of assemblage.

Origin of assemblagist

First recorded in 1960–65; assemblage + -ist