The image is a seamless pattern of a fishnet.
Source Yamachem
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.
Source Yamachem
You guessed it – looks a bit like cloth.
Source Peax Webdesign
Same classic 45-degree pattern, dark version.
Source Luke McDonald
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
The image is the remix of "wire-mesh fence seamless pattern" .This is a more minute version of it.Sorry for the file size.Using path>difference in Inkscape, I will cut out any silhouette from this pattern and create a "meshed silhouette".
Source Yamachem
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin