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materials used to create art work such as assemblage, mixed media or sculpture that wasn't bought new, but obtained in other ways, such as second-hand, dumpster diving, chance findings or donations.
I create art from things that others throw away, I call my what I do Obtainium Art.
by gnudies August 24, 2010
any item, found or obtained for free.
"Love the new lamp...is that obtainium?"
by w.cook October 23, 2002