A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat