I was reminded recently of an exercise I did during my Art Foundation year at Bucks College. We had to bring in a box and essentially alter or evolve it, cataloguing the changes we made in drawings and photographs. I think we were encouraged to think about opposites, soft and hard, hot and cold, happy and sad, sharp and smooth. Each of us had our own supplies of acrylic paint, scissors, wire and wire cutters, pencils, masking tape, Stanley knife, PVA glue, and so on.
The final iteration of the model:
This is one of the drawings I made during the exercise: