A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
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
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
This one needs to be used in small areas; you can see it repeat.
Source Luca
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin