Vicari used circles and intersecting arcs to create a simple design, which he highlighted with color. For his first step he troweled down three thin applications of polymer overlay cement. On the second day he covered his 10×10-foot slab with adhesive vinyl stencil and laid out his design using a string compass. After cutting patterns through the adhesive stencil with a hobby knife, he removed the portions that would receive dark blue overlay cement. He hard-troweled the darkest portions of the pattern with blue overlay cement so that the color would appear even darker. After removing the stencils, he washed the slab with a solvent-based blue dye to bring all the elements together.
View other 2005 Artistry in Concrete participants.