A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
Zero CC asphalt, pavement, texture, photographed and made by me. CC0 WARNING I FOUND A SEAM ON THIS TEXTURE
Source Sojan Janso
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
Prismatic Geometric Pattern Background No Black
Source GDJ
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
Light and tiny, just the way you like it.
Source Rohit Arun Rao