A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Used a cherry by doctormo to make this seamless pattern
Source Firkin
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
A white version of the very popular linen pattern.
Source Ant Ekşiler
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen