If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
This is a remix of "geometrical pattern 01".
Source Yamachem
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
Colour version of the original pattern.
Source Firkin
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Tiny circle waves, almost like the ocean.
Source Sagive
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin