Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Prismatic Geometric Pattern Background
Source GDJ
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Prismatic Hypnotic Pattern No Background
Source GDJ
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Tile available in Inkscape using shift-alt-i on the selected rectangle
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
Abstract Ellipses Background Grayscale
Source GDJ
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin