I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
This is a hot one. Small, sharp and unique.
Source GraphicsWall
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
A bit strange this one, but nice at the same time.
Source Diogo Silva
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
Prismatic Basic Pattern 2 No Background
Source GDJ
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
Abstract Ellipses Background Grayscale
Source GDJ