A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Seamless pattern inspired by a drawing on Pixabay. To get the tile this is formed from, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Prismatic Abstract Background Design No Black
Source GDJ
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Seamless tile drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Prismatic Groovy Concentric Background 2
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ