The design of Button concrete tile was induced by an experiment: it examined the development of a formation system created by objects pressed into a rubber sheet. The rubber sheet’s own physical characteristics mould firm forms and fine arcs impossible to reproduce by any other method. When creating the form, the objective was to minimize human intervention and leave the emergence of design to the materials themselves. The shape resembling a pulled-in button connects to the base layer with perfect arcs. As an extra compositional feature, additional dimension is added to the tile by a visually confusing characteristic, namely it is hard to decide whether we see a stand-out or depressed pattern from certain perspectives.