From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Alternative colour scheme to the original.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
An alternative colour scheme for the original background.
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
A white version of the very popular linen pattern.
Source Ant Ekşiler
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen