The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
A free background pattern with abstract green tiles.
Source V. Hartikainen
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
A background pattern with blue on white vertical stripes.
Source V. Hartikainen
Prismatic Geometric Pattern Background 2
Source GDJ
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Background pattern originally a PNG drawn in Paint.net
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Sometimes you just need the simplest thing.
Source Fabricio
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
This is a remix of "flower seamless pattern".I rotated the original image by 90 degrees.This is a seamless pattern of flowers.These horizontal wavy lines are one of Edo patterns which is called "tatewaku or tachiwaku or 立湧" that represents uprising steam or vapor.
Source Yamachem
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem