Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
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
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
This is a remix of "geometrical pattern 01".
Source Yamachem