Impossible alphabets and fonts
Denedo font with impossible figures
Impossible English alphabet by Jens Malmgreen
Impossible Spanish alphabet by Vicente Meavilla Seguí
Impossible Georgian alphabet by Joseph Alexandrovich Chkhartishvili
Impossible alphabet with rotated letters by David Macdonald
Typographisme by Laurent Lacroix
Font Isosiblia by Ridrigo Fuenzalida from Venezuela
Alphabet inspired by artworks of M.C. Escher by Luis Rafael Bonilla
Alphabet with impossible figures by Miwa Miwa
Alphabet with some letters as impossible figures by Pat Mehbrei
Alphabet with ambiguous impossible letter by Tsuneo Taniuchi from Japan
TrueType font Escheresk with many impossible structures by Tobias Sommer.
Font Priori Acute by Jonathan Barnbrook
Optical illusion font by Regan Fred Johnson
Paradox typeface by Luke Klenske