Mateo López, A-B, B-C, C-A, A-D, B-D, C-D (tetrahedron), 2015. Wood and graphite, 7.5 × 8.5 × 7.5 inches. Courtesy of the artist and Casey Kaplan, New York; Casas Riegner, Colombia; Luisa Strina, Brazil; and Travesía Cuatro, Mexico and Spain. Photo: Jean Vong.