The inspiration began with a single episode from Don Quixote: the moment of wounding. Although the knight wins the duel, a blow knocks off his helmet and severs part of his left ear. As he touches his exposed, injured head, he momentarily questions the reality of his adventures. The severed ear is the only direct link to the book; everything else unfolds from within.
When the modelling was finished, the clay was left to dry and crack. These cracks - which a classical process would have repaired as faults - became a layer of characterization.