A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
A background pattern with blue on white vertical stripes.
Source V. Hartikainen
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Sharp pixel pattern, just like the good old days.
Source Paridhi
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
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
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Sometimes you just need the simplest thing.
Source Fabricio
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
A seamless background of warped stripes on paper.
Source V. Hartikainen
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova