The Selected Works of T. S. Spivet include drawings, charts, and lists accompanying the written elements. These drawings are purported to be done by T.S. himself, who also provides each with an explanatory caption that deepens the book's narrative. This is designed to mimic T.S.'s own habit of quantifying the world around him using cartography. Larsen has stated that this technique was not originally intended to be included in the book's format, finishing a complete first draft of the work before he "discovered the margins as a playground of T.S.’s mind." Larsen's parents were both visual artists (his mother a painter and photographer, his father a printmaker),
Geodesic dome A 30-foot wood and plastic geodesic dome was lifted and carried by helicopter at 50 knots without damage, leading to the manufacture of a standard magnesium dome by Magnesium Products of Milwaukee. Tests included assembly practices in which previously untrained Marines were able to assemble a 30-foot magnesium dome in 135 minutes, helicopter lifts off aircraft carriers, and a durability test in which an anchored dome successfully withstood without damage, a day-long propeller blast from the twin 3,000 horsepower engines of an anchored airplane. The dome was introduced to a wider audience as a pavilion for the 1964 World's Fair