A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Geometric Pattern Background 2
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
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
White little knobs, coming in at 10x10px. Sweet!
Source Amos
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A background pattern with a look of rough fabric.
Source V. Hartikainen
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Prismatic Abstract Geometric Background 4
Source GDJ
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo