Fix and cc0 to get the tile this is based on.
Source SliverKnight
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Used a cherry by doctormo to make this seamless pattern
Source Firkin
A seamless background texture of old cardboard.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
8 by 8 pixels, and just what the title says.
Source pixilated
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Black And White Floral Pattern Background Inverse
Source GDJ
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Prismatic Geometric Pattern Background No Black
Source GDJ
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
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
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen