Tilings Encyclopedia

The tilings encyclopedia shows a wealth of examples of nonperiodic substitution tilings.
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D. Frettlöh, F. Gähler, E. Harriss: Tilings encyclopedia, https://tilings.math.uni-bielefeld.de/

Latest Additions

Preview Nischke-Danzer-Deltoid 7-fold-2-2
Nischke-Danzer-Deltoid 7-fold-2-2

The Nischke-Danzer-Deltoid 7-fold-2-2 was discussed and derived in [ND96] but not shown. A figure with the tiling can be found in [Pau2017] .

Polytopal Tiles Self Similar Substitution Finite Local Complexity Finite Rotations Nischke Danzer Deltoid

Preview Sub Rosa n-fold
Sub Rosa n-fold

J. Kari and M. Rissanen derived a set of rhomb substitution tilings in [KR2016] with n-fold dihedral symmetry. - All substitution rules have dihedral $D_{2}$ symmetry. - All edges of the substitution rules are equal and also have dihedral $D_{2}$ symmetry. - All interior angles of all prototiles are integer multiples of $\frac{\pi}{n}$. The minimal inflation facctor for this type of substitution tilings was discussed and derived in [Pau2017] . The example shown below is the tiling for $n=7$.

Polytopal Tiles Self Similar Substitution Finite Local Complexity Finite Rotations Rhomb Tiles

Preview Darb-I Imam Shrine
Darb-I Imam Shrine

The substitution tiling was derived from a mosaic at the Darb-i Imam Shrine in Isfahan, Iran. While the shrine dates back from 1453, [Lau2018] argues that the mosaic was created much later between 1715 - 1717. The tiling relies on the regular decagon and two hexagons and has individual dihedral symmetry ‘$D_{10}$‘. It was published in [LS2007] but the complete set of substitution rules can be found in [Ten2008] .

Finite Local Complexity Finite Rotations Polytopal Tiles Self Similar Substitution Girih

Preview Double Angle Plastic
Double Angle Plastic

Tiling submitted by Andrew Hudson. The scaling factor is the smallest PV number, the Plastic Number which is a root of the polynomial $x^3 - x - 1 = 0$.

Self Similar Substitution Plastic Number Infinite Rotations