From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
Kaleidoscope Prismatic Abstract No Background
Source GDJ
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
8 by 8 pixels, and just what the title says.
Source pixilated
Prismatic Snowflakes Pattern No Background
Source GDJ
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Remixed from a vector adapted from a jpg on Pixabay. The tile this is constructed from can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
U.S.-based National Fire Protection Association standard fire diamond for flagging risks posed by hazardous materials. The red diamond has a number 0-4 depending on flammability. The blue diamond has a number 0-4 depending on health hazard. The yellow has a number 0-4 depending on reactivity. the white square has a special notice, e.g OX for oxidizer.
Source Firkin
A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!
Source Firkin
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Old China with a modern twist, take two.
Source Adam Charlts
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso