This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Plywood Web Background background image for use in web design.
Source V. Hartikainen
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Geometric triangles seem to be quite hot these days.
Source Pixeden
A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
Source V. Hartikainen
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background No Black
Source GDJ