Mirrored Squares #123
 Dark  CC BY-SA 3.0

Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.

Source Atle Mo

 More Textures
Background pattern 229 #2305
 Colorful  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Colourful background 39 #1782
 Noise  CC 0

A colourful chequerboard-type pattern.

Source Firkin

Retro Circles Background 4 No Black #422
 Dark  CC 0

Retro Circles Background 4 No Black

Source GDJ

Pure Rust & Red #1649
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

Prismatic Arrows Background #392
 Noise  CC 0

Prismatic Arrows Background

Source GDJ

Dark [email protected] #130
 Dark  CC BY-SA 3.0

You were craving more leather, so I whipped this up by scanning a leather jacket.

Source Atle Mo

Background pattern 315 (colour 3) #1843
 Green  CC 0

The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Background pattern 225 (colour 6) #2322
 Brown  CC 0

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

Source Firkin

Wood Texgen 6 #1440
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Offsetsquares #1688
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Flourish pattern #1736
 Dark  CC 0

Remixed from an image that was uploaded to Pixabay by Pixeline

Source Firkin

Cincinnati tablet 2 #2146
 Dark  CC 0

Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.

Source Firkin

Polaroid #187
 Wall  CC BY-SA 3.0

Smooth Polaroid pattern with a light blue tint.

Source Daniel Beaton

Floral pattern 17 #1723
 Dark  CC 0

Derived from an image that was uploaded to Pixabay by mdmelo.

Source Firkin

Gloomy Stripes #994
 Stripes  CC BY-SA 3.0

A dark striped seamless pattern suitable for use as a background on websites.

Source V. Hartikainen

geometrical pattern 01 remix #2456
 Wall  CC 0

This is a remix of "geometrical pattern 01".

Source Yamachem

Cube Well & Blue #1699
 Wall  CC 0

Background Wall, Art Abstract, Block Well & CC0 texture.

Source Ractapopulous

Pyramid #895
 Light  CC BY-SA 3.0

Could remind you a bit of those squares in Super Mario Bros, yeh?

Source Jeff Wall

Decorative divider 200 #2420
 Dark  CC 0

From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.

Source Firkin

Dungeons & Flagons 7 #1423
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Background pattern pink #1948
 Pink  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Seamless Core Pattern 2 #166
 Dark  CC 0

Seamless Core Pattern 2

Source GDJ

Beechwood #1295
 Wood  CC 0

ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0

Source Sojan Janso

Background pattern #1963
 Dark  CC 0

To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Broken [email protected] #365
 Dark  CC BY-SA 3.0

Beautiful dark noise pattern with some dust and grunge.

Source Vincent Klaiber

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

Diamonds Are Forever #183
 Diamond  CC BY-SA 3.0

Sharp diamond pattern. A small 24x18px tile.

Source Tom Neal

Floral design 99 (colour) #1777
 Green  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin