Allow your eyes to become trapped in this fractal-like configuration of four nested twisting cubes. These cubes feature the Droste effect - if the pattern would continue indefinitely, the view inward from any cube would be the same. Dimensions: Measures 1 in (26mm) diagonally. Our Nylon jewelry is created through a laser sintering process in which the model is fused together one layer at a time from white nylon powder. The jewelry is then dyed to give it its final color. Nylon Earrings feature surgical steel earwire. It can be upgraded to stirling silver earwire for an additional cost.