As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
A seamless web texture of "green stone".
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Prismatic Groovy Concentric Background
Source GDJ
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 browner version of the original weathered fence texture.
Source Firkin
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
A background pattern drawn in Inkscape.
Source Firkin