A comeback for you: the popular Escheresque, now in black.
Source Patten
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
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
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
From an image on opengameart.org shared by rubberduck.
Source Firkin
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Similar to original, but without gaps in between the arrows. This seamless pattern was created from a rectangular tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 4
Source GDJ
Here I have tried to create something that would look like maple wood. Not sure how well it's turned out, but at least it looks like wood.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Prismatic Polyskelion Pattern No Background
Source GDJ