This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Prismatic Groovy Concentric Background 4
Source GDJ
Prismatic Hexagonalist Pattern No Background
Source GDJ
Prismatic Abstract Line Art Pattern Background
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.
Source V. Hartikainen
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight