It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem
Prismatic Abstract Geometric Background 4
Source GDJ
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
A blue background wallpaper for websites. It has a seamless texture with vertical stripes. It looks quite nice not only when using as a tiled background on websites, but also on computer desktops.
Source V. Hartikainen
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Black And White Floral Pattern Background from PDP.
Source GDJ
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8