Sharp but soft triangles in light shades of gray.
Source Pixeden
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
There are many carbon patterns, but this one is tiny.
Source Designova
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
A new one called white wall, not by me this time.
Source Yuji Honzawa
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Sometimes you just need the simplest thing.
Source Fabricio
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Prismatic Hexagonalism Pattern No Background
Source GDJ
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Seamless Prismatic Geometric Pattern With Background
Source GDJ