Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
A seamless web texture of "green stone".
Source V. Hartikainen
There are many carbon patterns, but this one is tiny.
Source Designova
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra