The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Retro Circles Background 4 No Black
Source GDJ
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A new take on the black linen pattern. Softer this time.
Source Atle Mo
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ