This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A pale olive green background with a seamless texture.
Source V. Hartikainen
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Prismatic Hexagonalism Pattern No Background
Source GDJ
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
CC0 and seamless wellington boot pattern.
Source SliverKnight
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Fix side and a seamless pattern formed from circles.
Source SliverKnight
Prismatic Basic Pattern 2 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin