Robots #125
 Dark  CC BY-SA 3.0

And some more testing, this time with Seamless Studio. It’s Robots FFS!

Source Seamless Studio

 More Textures
Grid Paper Background (Blue Gray) #1162
 Grid  CC BY-SA 3.0

A free grid paper background pattern for using on web sites.

Source V. Hartikainen

Background pattern 105 #563
 Dark  CC 0

A seamless pattern formed from background pattern 102

Source Firkin

Dark [email protected] #321
 Wood  CC BY-SA 3.0

A beautiful dark wood pattern, superbly tiled.

Source Omar Alvarado

Three Arrows #1668
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Cloth & Gray #1622
 Fabric  CC 0

Fabric. CC0 License.

Source Unknow

Prismatic Curved Diamond Pattern No Background #536
 Diamond  CC 0

Prismatic Curved Diamond Pattern No Background

Source GDJ

fawn spot pattern #2472
 Dark  CC 0

The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.

Source Yamachem

Background pattern #2000
 Dark  CC 0

Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Escheresque Dark #1064
 Dark  CC BY-SA 3.0

A comeback for you: the popular Escheresque, now in black.

Source Patten

Grunge For Surfaces 10 #1407
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Background pattern 26 (black) #199
 Dark  CC 0

Pattern formed from simple shapes. Black version.

Source Firkin

Iron Grip #587
 Dark  CC BY-SA 3.0

Sounds like something from World of Warcraft. Has to be good.

Source Tony Kinard

Grunge For Surfaces 2 #1399
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Soft Pad #613
 Fabric  CC BY-SA 3.0

Bumps, highlight and shadows – all good things.

Source Badhon Ebrahim

Repeating Vintage Paper Background #1077
 Paper  CC BY-SA 3.0

A repeating background of beige paper with vintage look. Repeats to infinity, as usual.

Source V. Hartikainen

Diminishing design 5 #1725
 Blue  CC 0

Adapted from an image that was uploaded to Pixabay by Anerma.

Source Firkin

Dark Denim [email protected] #596
 Dark  CC BY-SA 3.0

This is the third pattern called Dark Denim, but hey, we all love them!

Source Brandon Jacoby

Spiral background 2 #2245
 Colorful  CC 0

Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.

Source Firkin

Inspiration [email protected] #1176
 Unknow  CC BY-SA 3.0

This one is rather fun and playful. The 2X could be used at 1X too!

Source Welsley

[email protected] #279
 Paper  CC BY-SA 3.0

A good starting point for a cardboard pattern. This would work well in a variety of colors.

Source Atle Mo

Background pattern 245 (colour 3) #2190
 Blue  CC 0

This was formed by distorting an image of a background on Pixabay.

Source Firkin

Small Steps #1312
 Light  CC BY-SA 3.0

This ons is quite old school looking. Retro, even. I like it.

Source Arno Declercq

Spiral pattern 2 (colour) #2174
 Red  CC 0

A seamless pattern drawn in Inkscape.

Source Firkin

Brick pattern #2424
 Wall  CC 0

A simple rendering of a brick wall.

Source Firkin

[email protected] #126
 Dark  CC BY-SA 3.0

And some more testing, this time with Seamless Studio. It’s Robots FFS!

Source Seamless Studio

Soft [email protected] #614
 Fabric  CC BY-SA 3.0

Bumps, highlight and shadows – all good things.

Source Badhon Ebrahim

Light [email protected] #760
 Paper  CC BY-SA 3.0

Has nothing to do with toast, but it’s nice and subtle.

Source Pippin Lee

Gold Triangular Seamless Pattern No Background #272
 Light  CC 0

Gold Triangular Seamless Pattern No Background

Source GDJ