Number five from the same submitter, makes my job easy.
Source Dima Shiper
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Groovy Concentric Background
Source GDJ
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
A seamless web texture with illustration of pale color stains on canvas.
Source V. Hartikainen
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Zero CC plastic pattern texture, photographed and made by me. CC0 *Note, this texture was on the perfectly smooth surface of a plastic shovel scraper, not sure how to call it. Plz coment if you know what its called.
Source Sojan Janso
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett