Richard Tuttle Releasing: Biologically Poor Endings, IV 2016 corrugated cardboard, canvas, spray paint, nails 45.7 x 45.7 x 16.5 cm, 18 x 18 x 6 1/2 ins copyright the artist and courtesy Stuart Shave/Modern Art, London

Richard Tuttle Pressing: Hole in the Head, VII 2015-2016 styrofoam, metal, colored felt, heat-sensitive quilting backing, fabric paint, white glue, bond paper, enamel paint, acid-free museum mount board, metallic paper, acrylic, day-glo gouache, nails 64.8 x 92.1 x 5.1 cm, 25 1/2 x 36 1/4 x 2 1/8 ins copyright the artist and courtesy Stuart Shave/Modern Art, London