Geometric triangles seem to be quite hot these days.
Source Pixeden
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Neat little photography icon pattern.
Source Hossam Elbialy
Prismatic Abstract Geometric Background 5
Source GDJ
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Prismatic Abstract Geometric Background 3
Source GDJ