Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i
Source Firkin
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.
Source Lazur URH
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Spice up your next school project with this icon background.
Source Swetha
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
White handmade paper pattern with small bumps.
Source Marquis
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
Almost like little fish shells, or dragon skin.
Source Graphiste
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo