From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
The image is a seamless pattern of a fishnet.
Source Yamachem
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
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
White circles connecting on a light gray background.
Source Mark Collins
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
Prismatic Groovy Concentric Background 4
Source GDJ
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo