Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
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
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
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
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Colorful Floral Background No Black
Source GDJ
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
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
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.
Source Firkin
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Prismatic Abstract Geometric Background 4
Source GDJ
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
This was formed by distorting an image of a background on Pixabay.
Source Firkin
This is a hot one. Small, sharp and unique.
Source GraphicsWall
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Prismatic Hexagonalism Pattern No Background
Source GDJ
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous