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- Tessa A tessellation designer. Enables you to design shapes that will
- be able to tile the plane periodically. It was inspired by
- "Visions of Symmetry" containing the works of M. C. Esher.
- Each of the 28 types of asymmetric tiles that can fill a plane
- in an isohedral manner can be constructed using the program.
- Version 1.0. Contains source.
- Author: Richard Kelly.
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- Sieve A pattern generator based on an article in the Scientific
- American. It generates pictures based on the rule:-
- Colour of (x,y) = F(x,y) MOD number_of_colours
- The program has a number of inbuild formulae and an extensive
- palette editor. The pictures that the program generates look
- quite different with different palettes so experiment with
- the various options in the "Colours" and "Palettes" Menus.
- Version 1.0. Contains source.
- Author Richard Kelly.
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