Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
Prismatic Groovy Concentric Background
Source GDJ
This is a hot one. Small, sharp and unique.
Source GraphicsWall
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Prismatic Curved Diamond Pattern No Background
Source GDJ
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Prismatic Geometric Pattern Background 2
Source GDJ
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin