Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Seamless Prismatic Geometric Pattern With Background
Source GDJ
Prismatic Basic Pattern 2 No Background
Source GDJ
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Prismatic Hexagonalism Pattern No Background
Source GDJ
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Prismatic Groovy Concentric Background 5
Source GDJ
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
A floral background formed from numerous clones of flower 117.
Source Firkin
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
You may use it as is, or modify it as you like.
Source V. Hartikainen
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen