Part of the drawing for Types of Architecture, 1954, for the “Children’s Labyrinth” at the 10th Milan Triennial. Full drawing: ink, crayon, colored pencil, and reproduction of a Mondrian on paper folded into 21 sections, 18 x 299 ½ in. Biblioteca Nazionale Braidense/Pinacoteca di Brera, Milan; Gift of The Saul Steinberg Foundation.