Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A background pattern with blue on white vertical stripes.
Source V. Hartikainen
Prismatic Polyskelion Pattern No Background
Source GDJ
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
You know you love wood patterns, so here’s one more.
Source Richard Tabor
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
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
Prismatic Geometric Pattern Background 2
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
Abstract Tiled Background Extended 10
Source GDJ
U.S.-based National Fire Protection Association standard fire diamond for flagging risks posed by hazardous materials. The red diamond has a number 0-4 depending on flammability. The blue diamond has a number 0-4 depending on health hazard. The yellow has a number 0-4 depending on reactivity. the white square has a special notice, e.g OX for oxidizer.
Source Firkin