Photos


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Droste effect of arbitrary shape

Double spiral of single Hydrangea flower. Click here for an animation.

Droste effect of circle

Double spiral of painted St. Joseph Church Rose Window. Click here for an animation.

Droste effect of circle

Double spiral of Prague astronomical clock. Click here for an animation.

7-fold V-shaped

This V-shaped tile fractal can have any number of directions. Click here for an animation.

Beauty Bird Hexagon Limit

Click here for another color scheme, and here for the single color version,

Swans Square Fractal Octagon

Swans with fractal behavior at the border and in the center.

Einstein monotile

First chiral monotile, named 'Spectre', creating an aperiodic tessellation without reflections.

Swans Square Limit Octagon

All swans have the same shape ! Click here for the square version, and here for the black and white octagon version,

Square Limit

Remake of M.C. Escher's Square Limit. Click here for the octagon version.

Einstein monotile

First monotile, named 'einstein', creating an aperiodic tessellation; deformed to a bird.

Dahlia Sunflowers

Ludwig Danzer's 7-fold non-periodic substitution tiling, created from a single sunflower, a single dahlia, and a single leaf.

Quintets of Three Flowers

Penrose P3 tiling of 3 flowers.

Septets of Three Flowers

7-fold continuous parts of sunflower, dahlia, and water lily. Click here for a bigger picture.

Windmill Wings

Penrose P3 tiling with mirror symmetries, discovered by Michael Knauff.

Birds and Flames

Penrose P3 with continuous flames. Click here for a bigger picture.

Penrose Chickens

Five generations of chickens. Click here for a fragment. Also, refer to the original chickens.

Schaad's minimal 7-fold

Danzer's 7-fold original

Five generations of substitutions.
Click here for an animation.

Penrose P3

Four generations of substitutions with initial configuration named S by my former professor N.G. de Bruijn.

Penrose P2

Ammann A3

Afaik, the world's first deformed Ammann A3 tiling.
Click here for an animation.

Lollipops

In fact blinded snakes. A multi color tessellation (IH21) transformed to a Poincaré disk with Tissellator.

Continuous Spiral of Continuous Spiral of Tropical Fish

A continuous spiral of a continuous spiral of tessellated fish: from left to right it goes on and on.

Graffiti Girl

Click here for an animation.

Circles of Spiraling Tropical Fish I

Beauty of interconnected double spirals.
Click the animation for other colors.

Spiraling Tropical Fish

Do you see an optical illusion.
Click the animation for moving fish.

Infinite Tropical Fish

Butterfly Circles I

Butterfly Circles II

Cocker Spaniel Dogs

Deformed quadrilateral. Click the animation for spiraling dogs.

Face It

You see me?

Fingers Crossed

Leaves and Berries

Triple Spiral Sunflowers II

Quarter hyperbolic circles at the border.

Empty Triple Spiral Sunflowers

Where are the spirals?

Triple Spiral Sunflowers I

Squared hyperbolic circles. Click the animation.