Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
The tile can be had by selecting the rectangle in Inkscape and using shift+alt+i. Remixed from a drawing in 'Flowers of Song', Frederick Weatherly, 1895.
Source Firkin
Abstract Tiled Background Extended 11
Source GDJ
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
A free pink background pattern.
Source V. Hartikainen
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
This was formed by distorting an image of a background on Pixabay.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Prismatic Hexagonalism Pattern No Background
Source GDJ
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen
Sort of reminds me of those old house wallpapers.
Source Tish
A bit strange this one, but nice at the same time.
Source Diogo Silva
A version without colours blended together to give a different look.
Source Firkin
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A seamless background of warped stripes on paper.
Source V. Hartikainen