Impossible perspective

Interestingly, one of the simplest optical illusion has been built in various sizes allowing to see it out of a book or your computers screen. Real life sculptures, I mean. Francis Tabary made most of these.

Copyright (C) Francis Tabary

Copyright (C) Francis Tabary

Copyright (C) Francis Tabary

Copyright (C) Francis Tabary

Copyright (C) Francis Tabary

Copyright (C) Francis Tabary

Copyright (C) Francis Tabary

Copyright (C) Francis Tabary

Copyright (C) Francis Tabary

Copyright (C) Francis Tabary