Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Prismatic Abstract Background Design No Black
Source GDJ
Black And White Floral Pattern Background Inverse
Source GDJ
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Sometimes you just need the simplest thing.
Source Fabricio
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
A new one called white wall, not by me this time.
Source Yuji Honzawa
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-brown.
Source Yamachem
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin