A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
Sharp pixel pattern, just like the good old days.
Source Paridhi
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A seamless background texture of old cardboard.
Source V. Hartikainen
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin