Original minus the background
Source Firkin
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
It’s big, it’s gradient—and it’s square.
Source Brankic1979
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
8 by 8 pixels, and just what the title says.
Source pixilated
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
A seamless pattern formed from miutopia mug remixes on a tablecloth.
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
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Tiny circle waves, almost like the ocean.
Source Sagive
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman