Remixed from a drawing in 'An Index to Deering's Nottinghamia Vetus et Nova', Rupert Chicken, 1899. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Colour version of the original seamless pattern.
Source Firkin
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Dark blue concrete wall with some small dust spots.
Source Atle Mo
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin