If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
This is a remix of "geometrical pattern 01".
Source Yamachem
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
It’s big, it’s gradient—and it’s square.
Source Brankic1979
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Prismatic Abstract Line Art Pattern Background
Source GDJ
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
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
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
A white version of the very popular linen pattern.
Source Ant Ekşiler
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso