A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
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
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
This is sort of fresh, but still feels a bit old school.
Source Martuchox
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Basic Pattern 2 No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The name is totally random, but hey, it sounds good.
Source Atle Mo
A light brushed aluminum pattern for your pleasure.
Source Tim Ward