Retro Intro #893
 Gray  CC BY-SA 3.0

A slightly more textured pattern, medium gray. A bit like a potato sack?

Source Bilal Ketab

 More Textures
Vintage Clay Tile 5 #1462
 Unknow  CC 0

Gamedev - Roofs Textures. CC0 License.

Source Davit Masia

Chequered cat #2431
 Grid  CC 0

A cat with a chequered them including the background.

Source Firkin

Abstract Tiled Background Extended 7 #518
 Dark  CC 0

Abstract Tiled Background Extended 7

Source GDJ

Prismatic Groovy Concentric Background 2 No [email protected] #456
 Noise  CC 0

Prismatic Groovy Concentric Background 2 No Black

Source GDJ

Dirty Old Black [email protected] #854
 Dark  CC BY-SA 3.0

Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!

Source Paul Reulat

Colorful Floral Background No Black #481
 Light  CC 0

Colorful Floral Background No Black

Source GDJ

Floors #1591
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Dark [email protected] #30
 Dark  CC BY-SA 3.0

A dark denim looking pattern. 145×145 pixels.

Source Atle Mo

Prismatic Groovy Concentric Background 4 No Black #463
 Noise  CC 0

Prismatic Groovy Concentric Background 4 No Black

Source GDJ

Simple Horizontal Light #982
 Light  CC BY-SA 3.0

Sometimes you just need the simplest thing.

Source Fabricio

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

Clean Textile #737
 Fabric  CC BY-SA 3.0

A nice light textile pattern for your kit.

Source N8rx

Prismatic Geometric Pattern Background 2 #409
 Noise  CC 0

Prismatic Geometric Pattern Background 2

Source GDJ

Prismatic Abstract Geometric Background 2 No [email protected] #446
 Noise  CC 0

Prismatic Abstract Geometric Background 2 No Black

Source GDJ

Decorative divider 192 #2503
 Dark  CC 0

From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.

Source Firkin

Abstract tulip (wood) #1892
 Wood  CC 0

The original tulip given a wooden texture.

Source Firkin

Argyle #643
 Dark  CC BY-SA 3.0

Classy golf-pants pattern, or crossed stripes if you will.

Source Will Monson

Escheresque Dark #1064
 Dark  CC BY-SA 3.0

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

Source Patten

Decorative divider 215 #2242
 Dark  CC 0

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

Source Firkin

Prismatic Hexagonalist Pattern No Background #390
 Light  CC 0

Prismatic Hexagonalist Pattern No Background

Source GDJ

Octagonal frame 2 #2356
 Dark  CC 0

Formed in Paint.net and vectorised in Vector Magic.

Source Firkin

Background pattern 313 #1858
 Dark  CC 0

Background pattern originally a PNG drawn in Paint.net

Source Firkin

Art deco design #2306
 Dark  CC 0

Remixed from a jpg on Pixabay.

Source Firkin

Steel & Gray #1639
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Mossy Wall #1269
 Wall  CC 0

Zero CC Mossy stone tileable texture, photographed and made by me. CC0

Source Sojan Janso

Stone Wall & Yellow #1491
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Page ornament #1992
 Dark  CC 0

Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.

Source Firkin

[email protected] #846
 Gray  CC BY-SA 3.0

A mid-tone gray pattern with some cement looking texture.

Source Hendrik Lammers