From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Prismatic Curved Diamond Pattern No Background
Source GDJ
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Polka Dots 3 No Background
Source GDJ
A blue background wallpaper for websites. It has a seamless texture with vertical stripes. It looks quite nice not only when using as a tiled background on websites, but also on computer desktops.
Source V. Hartikainen