Geometric triangles seem to be quite hot these days.
Source Pixeden
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This one has rusty dark brown texture.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Alternative colour scheme. 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
Used a cherry by doctormo to make this seamless pattern
Source Firkin
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem