This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Background formed from the original with an emboss effect
Source GDJ
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
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
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
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
Looks like an old rug or a computer chip.
Source Patutin Sergey
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A repeating background with wood/straw like texture.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin