The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Inspired by a pattern I saw in a 19th century book. This seamless pattern was created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Oh yes, it happened! A pattern in full color.
Source Atle Mo
Colourful background achieved with gradient fills.
Source Firkin
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Here I have tried to create something that would look like maple wood. Not sure how well it's turned out, but at least it looks like wood.
Source V. Hartikainen
The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo