This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
This is the remix of "blue wave-seigaiha".The image depicts a seamless pattern of the front upper part of Japanese five yen coin which is used currently.This design represents a rice with ripe golden ears.
Source Yamachem
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Just like the black maze, only in light gray. Duh.
Source Peax
From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin