More layers, different layers
Interwoven tiling-lattices can be constructed in several ways. The number of layers is one thing we can vary. The tiling-lattice with the large and small square holes (Figure 2) can be interwoven with different numbers of copies: while Figure 5 has two layers interwoven, Figure 22 has four. Figures 23 and 24 are constructed from the planar tiling-lattice that is the basis for Figure 16, but there are three layers in Figure 23 and seven in Figure 24.
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Another technique, of which we will see more examples later on, is to use copies of the same tiling-lattice, with some at a different scale. In Figure 25, there are four congruent layers of the tiling-lattice for the familiar Archimedean tiling by squares and octagons. In Figure 26, three layers of the same tiling-lattice are used, but the grey layer is at a smaller scale.
The most interesting interwoven tiling-lattices are made by combining more than one type of tiling-lattice. For example, Figure 27 is a combination of the right-turning version and the left-turning version of the same lattice (see Figure 2). In Figure 28, the tiling-lattice in Figure 2 is combined with the octagon-square tiling-lattice, In Figures 29 and Figure 30 you can see the black and white hexagonal tiling-lattices of Escher (Figure 6) combined with lattices with square and octagonal holes.
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