Mark Davis, A Garden Here on Earth, 2009. Wall mounted mobile in brass and aluminum with steel wires and acrylic and oil colors.

Mark Davis, Dream On. 2012. Small mobile in polished brass.

Mark Davis, An Elegant Turn, 2002. Steel and brass with stainless steel wires and 23k gold leaf. Photo courtesy of the artist.

David A. Lang, The Swine Flew, 2014. Mixed Media. Photograph by David A. Lang.

David Lang, I Coulda Had a V8, 2014. Mixed Media. Photograph by David A. Lang.

Kim Bernard, Readymade Color Wheel, 2011. Bicycle wheel, wood, springs, wax. Photo courtesy of the artist.

Kim Bernard, Tertium Quid #2, 2012. Encaustic on MDF, wood, gear motor. Photograph by Kim Bernard. Photo courtesy of the artist.

Chris Fitch, Nude Ascending, 2011. Wood, aluminum, formica, acrylic, polyethylene foam, motor, mechanism. Photo courtesy of the artist.

Chris Fitch, Falling (Detail), 2007. Wood, Acrylic, Bead Chain, Lights, Motor, Mechanism. Photo courtesy of the artist.

Erica von Schilgen, No More Bad Dreams, 2010. Mixed Media.