Classification of moire tiles

According to the main changes of moire, it can be roughly divided into three types: curly moire tile and claw moire tile.

One of the most common decorative patterns on popular round tiles is cirrus clouds. Cirrus moire tiles are generally divided into four parts on the circular surface, and each part is decorated with curly moire. There are many changes, some of which are symmetrical on four sides and separated by straight lines, forming a contrast between curves and straight lines; Some rotate in the same direction. This tile pattern is full of rhythm.

In the figure 1, the Moerwa block is a fourth-order fractal with a wide edge, which looks like a mirror of China. The market price is around RMB in 500 yuan. Figs. 2 and 3 are expensive.