This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Alternative colour scheme for the original floral pattern.
Source Firkin
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Inspired by a pattern I saw in a 19th century book. This seamless pattern was created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki