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
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
A floral background formed from numerous clones of flower 117.
Source Firkin
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
A version without colours blended together to give a different look.
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
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
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Sharp but soft triangles in light shades of gray.
Source Pixeden
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin