Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
A free pink background pattern.
Source V. Hartikainen
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Lovely pattern with splattered vintage speckles.
Source David Pomfret
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
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
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin