Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
Sometimes you just need the simplest thing.
Source Fabricio
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Prismatic Groovy Concentric Background 5
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin