This was formed by distorting an image of a background on Pixabay.
Source Firkin
Spice up your next school project with this icon background.
Source Swetha
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
This one is amazing, truly original. Go use it!
Source Viahorizon
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.
Source Firkin
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
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
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
CC0 and seamless wellington boot pattern.
Source SliverKnight
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A seamless texture of a rough concrete surface.
Source V. Hartikainen
A comeback for you: the popular Escheresque, now in black.
Source Patten
The image is a design of blue glass.How about using it as background image?
Source Yamachem