Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
An alternative colour scheme for the original background.
Source Firkin
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
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
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
A new one called white wall, not by me this time.
Source Yuji Honzawa
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
An alternative colour scheme to the original seamless pattern.
Source Firkin
Seamless pattern the basic tile for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman