Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
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
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin