A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Background formed from the original with an emboss effect
Source GDJ
A bit of scratched up grayness. Always good.
Source Dmitry
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Prismatic 3D Isometric Tessellation Pattern 6
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
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Prismatic Abstract Geometric Background 2
Source GDJ
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
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 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
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica