A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Remixed from a drawing in 'An Index to Deering's Nottinghamia Vetus et Nova', Rupert Chicken, 1899. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
This is a remix of "geometrical pattern 01".
Source Yamachem
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav