Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
There are many carbon patterns, but this one is tiny.
Source Designova
Prismatic Groovy Concentric Background 2
Source GDJ
Retro Circles Background 5 No Black
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Sort of reminds me of those old house wallpapers.
Source Tish
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors