Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-brown.
Source Yamachem
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Green Background Pattern
Source V. Hartikainen
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
This could be a hippy vintage wallpaper.
Source Tileable Patterns
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq