Michigan Avenue // GEOMETRY LESSON THIS SEASON, IT’S HIP TO NOT BE SQUARE, WITH GRAPHIC HEXAGONS TAKING OVER INTERIOR DÉCOR. 2017-08-16 - BY LAUREN FINNEY This season, it’s hip to not be square, with graphic hexagons taking over interior décor. Hexagonal wall at South Loop restaurant Mercat a la Planxa. 638 S. Michigan Ave.; mercatchicago.com Hive sconce, $1,200, by Arteriors at Mecox Gardens. Mosaic tile, $25 per square foot, by Mark Williams for Stonelluxe. Tariq console, $2,070, by Noir at Walter E. Smithe. Spade Cube ottoman, $450, at Jayson Home. Hexagon wallpaper in teal/gold (trade only) by Cole & Son at Lee Joffa. Antwerp pedestal table, $995, at Jonathan Adler.