Snail shell was created in 2018. It shows a miracle of nature, the "spira mirabilis" (clockwise). It is a spiral in which, with each revolution around its center, the distance from that center changes by the same factor. Bernoulli (1655-1705) gave it the name "miracle spiral".

The absolute tip of a shell of a small freshwater snail can be seen. The magnification is about 3:1. A homemade lens based on Zeiss Luminar attachments was used to emphasize the special colors and shades.

Snail shell has a resolution of 4000 * 3000 pixels @ 300 dpi.

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