All options search

Answer as many contraints as you are confident with, then go to the end and click on the submit button. You can also request the converse of the constraint - say no triangles present.

Geometry search

Does the pattern contain a regular polygon?

Number of sides of regular polygons - select all that apply: 3 : 4 : 5 : 6 : 7 : 8 : 12: other:

Absence of regular polygons - select all that apply: 3 : 4 : 5 : 6 : 7 : 8 : 12: other:

Does the pattern contain a regular star-shaped polygon?

Number of points to stars: select all that apply: 3: 4: 5: 6: 7: 8: 9: 10: 12: 14: 16: 18: 20: 24:

No stars with these number of points: 3: 4: 5: 6: 7: 8: 9: 10: 12: 14: 16: 18: 20: 24:

You can specify the vertex angle for common cases:

8-pts and 90 degrees: 6-pts and 60 degrees: 8-pts and 45 degrees: 10-pts and 72 degrees: 12-pts and 60 degrees:

Other properties

All angles of the pattern a multiple of:

45 degrees: 30 degrees: 90 degrees: 22.5 degrees: 36 degrees: 15 degrees: 60 degrees:

None of the above:

Contains diamonds: Edge-to-edge: 8-matrix set: Has kites: Has darts: Has Z-ring tiles:

No diamonds: Not edge-to-edge: No kites: No darts: 8-matrix set: Has Z-ring tiles:

Symmetry Group, the common cases:

p4m: p6m: cmm: pmm: p4g: p4:

other:

Can be coloured with two colours:

Appears not to be coloured with two colours:

Source search

Author (most used):

bourgoin: abas: paccard: castera: shafai:

Area:

Central Asia: Egypt: India: Iran: Morocco: Spain: Syria: Turkey:

Extras

Reflections: Rotations order 2: Rotations order 3: Rotations order 4: Rotations order 6: Repeat pattern: Centred pattern: Frieze pattern: UFD: No symmetry: Polyominoes:

Location:

Cairo: Damascus: Marrakesh: Fez: Samarkand: Meknes: Isfahan: Alhambra: Fatehpur Sikri:

Has photo (link): Has photo (in documentation):

No photo (link): No photo (in documentation):

v15