Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Same classic 45-degree pattern, dark version.
Source Luke McDonald
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
A browner version of the original weathered fence texture.
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Fix side and a seamless pattern formed from circles.
Source SliverKnight
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin