A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Background formed from the original with an emboss effect.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The image depicts a tiled seamless pattern.The tile represents four leaves aligned every 90 ° , which may look like a bird or a dragon .The original leaf design is from a Japanese old book.
Source Yamachem
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Almost like little fish shells, or dragon skin.
Source Graphiste
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Colorful Floral Background 3 No Black
Source GDJ
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin