I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
Prismatic Groovy Concentric Background 3
Source GDJ
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Alternative colour scheme for the original floral pattern.
Source Firkin
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A browner version of the original weathered fence texture.
Source Firkin
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Subtle scratches on a light gray background.
Source Andrey Ovcharov
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
From an image on opengameart.org shared by rubberduck.
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Fix side and a seamless pattern formed from circles.
Source SliverKnight
Lovely pattern with splattered vintage speckles.
Source David Pomfret