A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Prismatic Groovy Concentric Background 4
Source GDJ
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.
Source Atle Mo