Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
From a drawing in 'Friend or Fortune? The story of a strange year', Robert Overton, 1897.
Source Firkin
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Used a cherry by doctormo to make this seamless pattern
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Geometric Pattern Background
Source GDJ
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
There are many carbon patterns, but this one is tiny.
Source Designova
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
A light brushed aluminum pattern for your pleasure.
Source Tim Ward