The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Abstract Geometric Background 4
Source GDJ
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
A seamless texture of a rough concrete surface.
Source V. Hartikainen
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
An alternative colour scheme to the original seamless pattern.
Source Firkin