I have always been a fan of anamorphic art. It is technically difficult to make, and usually has that wow factor when viewing it in person. This post includes three examples of perspective illusion, which were made by different artists.
See also: “It is Not Digital, It is Anamorphic,” “Anamorphic Graffiti,” and “You Must Face Reality.”
Top: The impossible triangle by Jamie Harrington and Francis Qureshi.
“Patience” by Kevin Burch. “The word PATIENCE was printed onto the wall, and then parts of smaller letters were put onto people,” states Burch.
“Helvetica” by Charlie Mitchell.