To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
This seamless light brown background texture resembles a wallpaper with vertical stripes. One way to use it is as a tiled background on web sites.
Source V. Hartikainen
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso