The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
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 dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev