To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Continuing the geometric trend, here is one more.
Source Mike Warner
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Used a cherry by doctormo to make this seamless pattern
Source Firkin
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Prismatic Geometric Pattern Background 2
Source GDJ
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
The base gradient edited so now more details are rendered.
Source Lazur URH
The tile can be had by selecting the rectangle in Inkscape and using shift+alt+i. Remixed from a drawing in 'Flowers of Song', Frederick Weatherly, 1895.
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
A free seamless background with pink spots.
Source V. Hartikainen