The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
Seamless pattern formed from a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Used a cherry by doctormo to make this seamless pattern
Source Firkin
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Seamless Dark Grunge Texture. Here's a new grunge texture for use as a background.
Source V. Hartikainen