Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
It’s big, it’s gradient—and it’s square.
Source Brankic1979
Sharp but soft triangles in light shades of gray.
Source Pixeden
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Pattern formed from simple shapes. Black version.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ