Continuing the geometric trend, here is one more.
Source Mike Warner
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
A nice looking light gray background pattern with diagonal stripes.
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
A bit strange this one, but nice at the same time.
Source Diogo Silva
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ