# How was this done?

**URL:** <https://forum.kirupa.com/t/how-was-this-done/189970>\
**Category:** Uncategorized\
**Created:** [June 7, 2006, 4:56pm UTC](https://forum.kirupa.com/t/how-was-this-done/189970 "2006-06-07T16:56:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Soulberry](https://avatars.discourse-cdn.com/v4/letter/s/f9ae1b/32.png) [@Soulberry](https://forum.kirupa.com/u/Soulberry)\
**Post date:** [June 7, 2006, 4:56pm UTC](https://forum.kirupa.com/t/how-was-this-done/189970/1 "2006-06-07T16:56:36Z")

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[http://lab.andre-michelle.com/](http://lab.andre-michelle.com/)

In the F8: Filter section, there are two examples of experiments - 1) rain and 2) water.

I have come across examples of ripple effect on the web but none as “natural” as these two.

Would anyone be kind enough to lecture a novice on these two?

I thank you all.