Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless background texture of old cardboard.
Source V. Hartikainen
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Prismatic Groovy Concentric Background 4
Source GDJ
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
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
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin