Creativity has no boundaries - even you've a pair of scissors/blade & A4 paper. Peter Callesen, the A4 paper cut genius & creative artist indigenously design his paper cut art based around an exploration of the relationship between two and three dimensionality.
Selected paper cut works by Peter Callesen:
This is my personal favourite - Looking Back (2006)
Link - Uncotton.uk (via Gecko & Fly)