Prismatic Polka Dots 3 No Background
Source GDJ
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
An orange vertically striped background pattern. Feel free to download and use this orange background pattern, for example, on the web). It resembles a wallpaper with vertical stripes or something similar to it.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Number 4 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
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Seamless tile drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Sort of reminds me of those old house wallpapers.
Source Tish
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin