• Home
  • Blog
  • About Me
  • Art
  • Shop
  • Contact
Sarconista!
Menu Close
  • Home
  • Blog
  • About Me
  • Art
  • Shop
  • Contact

crystal skull

A Geometric Paradox

October 2, 2017Gianni Sarcone

Where does the extra skull come from? Magic? Can you explain how does this trick work?
This puzzle is available as print from my online store.

Geometry, magic trick, Optical illusions, Paradox crystal skull, geometric paradox, skulls

Recent Posts

  • Composition for Banana, Mirror, and Tape June 4, 2026
  • Impossible Beach Cabin June 2, 2026
  • Born into Iki May 30, 2026
  • Life Within Life May 19, 2026
  • Minimal Cat May 10, 2026
  • Speleology of Love – Figure–Ground Embrace April 30, 2026
  • Algae in my eyes April 29, 2026
  • Seeing Is Not What It Seems April 25, 2026
  • Optical Waltz: Constant Motion, Perceived Oscillation April 20, 2026
  • Different but Equal April 18, 2026
  • How a Human Bone Inspired the Eiffel Tower April 15, 2026
  • Beyond Constructible Forms: The Undecidable Bars April 14, 2026
  • IF: The Two-State Threshold March 25, 2026

Archives

Categories

Tags

absence art autokinetic bezold effect black and white book bookmark children circles color color assimilation colors cyan dots gianni sarcone Halloween hexagon illusion impossible cube impossible figure kanizsa Klein bottle light lisa mosaic Motion munker-white museum müller-lyer negative space new book numbers op art optical illusion optical illusions pac-man pacman question mark spiral square street art tutorial unicursal visual effect visual perception

My Recent Artworks

Art Prints

Essential Anthology of My Publications

Eye Bogglers
Ultimate Eye Twisters
Eye Bogglers
ISBN 1780970749
Ultimate Eye Twisters
ISBN 1783124482
Fantastic Optical illusions
Illusion playing cards
Fantastic Optical Illusions
ISBN 178739235X
Illusion d'Optique playing card deck
Optical illusions
You can't possibly color this
Optical Illusions
ISBN 1682973395
You can't possibly color this!
ISBN 1633223515
Impossible Folding Puzzle and Other Mathematical Paradoxes
Hidden Picture Puzzles
Impossible Folding Puzzles
ISBN 0486493512
Hidden Picture Puzzles
ISBN 1623540380
How To Draw Incredible Illusions
Riddles & Conundrums
How to Draw Incredible Illusions
ISBN 1623540607
Riddles & Conundrums
ISBN 1787391639

Tags

absence art autokinetic bezold effect black and white book bookmark children circles color color assimilation colors cyan dots gianni sarcone Halloween hexagon illusion impossible cube impossible figure kanizsa Klein bottle light lisa mosaic Motion munker-white museum müller-lyer negative space new book numbers op art optical illusion optical illusions pac-man pacman question mark spiral square street art tutorial unicursal visual effect visual perception

Latest Posts

  • Composition for Banana, Mirror, and Tape
  • Impossible Beach Cabin
  • Born into Iki
  • Life Within Life
  • Minimal Cat

Gianni Sarcone animated portrait

Gianni Sarcone

I am a visual artist, author, and researcher specializing in perception, optical art, and creative thinking. I help publishers, educational institutions, media, syndications, design studios, and communication agencies engage audiences and inspire new ways of seeing and thinking.

Interested in collaboration or projects? Contact me to discuss opportunities.

Contact Me

Explore My World of Art, Books, and Creative Concepts

Educational, How-To & Illustrated Books
Kinetic Op Art
Educational Games & Products
Art Concepts & Licensing

Discover and Collect My Art from Leading Online Galleries

Buy My Art on Fine Art America
Buy My Art on Saatchi
Buy My Art on ArtPal
Explore My Art on Behance

© 2002- - Gianni A. Sarcone. All Rights Reserved.
The images and content on this blog are protected by international copyright laws. Unauthorized reproduction, copying, or use of any kind is strictly prohibited. For licensing inquiries or permissions, please contact me.
© 2026 Sarconista!. All rights reserved.
Fashionista by aThemes