Diane Simpson in ‘Over & Under’ at Sikkema Jenkins & Co.

This mystery object (Exercise machine? Seesaw? Giant snowshoe?) by Diane Simpson is a humorous stand-out in Sikkema Jenkins’ summer group show of minimalism-inspired objects. It depicts an oversized sombrero. (In Chelsea through July 24th).

Diane Simpson, Sombrero, acrylic paint, MDF, polyester spunbond fabric, metallic cord, 34 x 90 x 25 inches, 1995. (Background wall cover: Matt Keegan, double-wall cardboard, dimensions variable, 2015).