Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background No Black
Source GDJ
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Kaleidoscope Prismatic Abstract No Background
Source GDJ
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem