Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Prismatic Polka Dots Mark II No Background
Source GDJ
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
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
Alternative colour scheme for the original floral pattern.
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin