Indigenous Art?

I noticed this near the Ian Potter Centre, which is a Gallery for Australian Art in Federation Square, Melbourne. There were some building works outside and panels were ripped off a facade exposing the beautiful patterns of glue which had held them in place. It reminds me of the paintings in the indigenous gallery of the Ian Potter Centre and i wander if perhaps the worker installing these had just popped into the gallery before unconsciously producing this. You can see the buildings of Fed Square behind..

Unknown artist/construction worker, date unknown, approx 2m wide x 3 meters high, glue on facade,