Embossed lines and squares with subtle highlights.
Source Alex Parker
The image depicts polka dot seamless pattern.
Source Yamachem
A seamless texture of worn out "cardboard".
Source V. Hartikainen
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
You may use it as is, or modify it as you like.
Source V. Hartikainen
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Prismatic Abstract Geometric Background 3
Source GDJ
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock