Almost Real

These objects look as if they could exist in three-dimensional space,
but take a closer look . . .

Hollow brick

Hollow Brick

Garden fork

Garden Fork

Devil's Magnet

4 or 3 shelves?

3 or 4 shelves?

A figure by Oscar Reutersvard

Tongue or groove?

Tongue or Groove?

Technical drawing?

Technical Drawing?

Ambihelical Hexnut

Ambihelical Hexnut

Impossible Triangle and the Devils Pitchforks

Eschers Belvedere crate

This figure appears in Belvedere by M C Escher

Impossible Triangle

The Impossible Triangle

A figure by the mathematician L S Penrose

Impossible Penetrations

It looks real enough, but look at the third log!

From Impossible Penetrations by Bruno Ernst ~ 1984

The Penrose Steps

The Penrose Staircase

A figure by the mathematician L S Penrose

This was used as the basis for M C Eschers Ascending and Descending

Impossible joinery

Impossible joinery

Tribar

Tribar

Ring

Ring

Flat 8

Flat 8

Quadrature of the Wheel

Quadrature of the Wheel

See the pencil drawing by Sandro del Prete

Figures by Oscar Reutersvard Figures by Oscar Reutersvard

Figures by Oscar Reutersvard

Impossible Corner

Impossible Corner

Stool

Impossible Figures

Zenon Kulpa ~ ink and paper ~ 1980

Images of Illusion

Images of Illusion

From a screen print by Shigeo Fukuda ~ 1984

Two-Bar

The Impossible Two - Bar

Bruno Ernst

Torus

Impossible Torus

Building an impossible arch

Building an impossible arch

Four Bar

Four Bar

Layered Blocks

from Layered Blocks

Oscar Reutersvard

Two Arrows

from Two Arrows

Oscar Reutersvard

Meander

Meander figure

How many legs ?

How many legs does this elephant have ?

Up or Down

Up or Down

This cartoon was drawn by Viuti with the title "Perspective - Men on Steps."
Viuti was, I believe, Argentinean and his real name was Roberto Lopez.

Folds

Folds

Has this piece of paper been folded or rolled?

Structural Constellations

"Structural Constellations" by Josef Albers - 1953 - 1958

This image was taken from "Optical Illusions and the Visual Arts" by Ronald G. Carraher and Jacqueline B. Thurston.
Reinhold Book Corporation, New York. 1966

Structural Constellations

"Structural Constellations" by Josef Albers - 1953 - 1958

This image was taken from "Optical Illusions and the Visual Arts" by Ronald G. Carraher and Jacqueline B. Thurston.
Reinhold Book Corporation, New York. 1966

This page created 3rd June 1999, last modified 27th January 2008