It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Number five from the same submitter, makes my job easy.
Source Dima Shiper
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Almost like little fish shells, or dragon skin.
Source Graphiste
Embossed lines and squares with subtle highlights.
Source Alex Parker
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
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
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
This one needs to be used in small areas; you can see it repeat.
Source Luca
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin