A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
The image is a seamless pattern of a fishnet.
Source Yamachem
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
A comeback for you: the popular Escheresque, now in black.
Source Patten
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
A bit of scratched up grayness. Always good.
Source Dmitry
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin