Ellipses in the Key of Blue by Oakland-based artist Randy Colosky is a temporary mural in the South of Market area of San Francisco, covering the site of the Yerba Buena/Moscone BART station, currently under construction. It is on view until May 2015.
Here’s a shot of the construction site:
The imagery was created using drafting templates, showing how variation within repetition creates undulating patterns that start to seem sculptural:
A shot of the 140-foot long construction fence:
Randy Colosky was educated at the Kansas City Art Institute and now lives in Oakland, where he create 2- and 3-dimensional work that seems to always involve laborious or repetitive activity, as seen in this mural.
Department of Everyday Visualingual 
Reblogged this on A passionate photographer, with nature in his heart and commented:
Nice project