It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
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
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Sharp but soft triangles in light shades of gray.
Source Pixeden
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
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo