Portable hole

[2] The 1955 Looney Tunes cartoon, The Hole Idea, presents a fictional account in which Calvin Q. Calculus invents the device.

[11][12] The 1988 cartoon series The New Adventures of Winnie the Pooh features a portable hole with similar properties in the episode "Bubble Trouble.

"[13] In the Dungeons & Dragons fantasy role-playing game, a portable hole is a circle of cloth made from phase spider webs, strands of ether and beams of starlight.

[21] A 1949 newspaper column by Truman Twill speculates on a prefabricated underground storage unit described as "a portable hole to be sunk in the ground at a desirable location".

[23] The Museum of Modern Art has a work by Ben Vautier titled, The First Portable Hole (Le Premier trou portatif).