From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Seamless Prismatic Geometric Pattern With Background
Source GDJ
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Remixed from an image that was uploaded to Pixabay by Pixeline
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
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Prismatic Abstract Geometric Background 3
Source GDJ
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green