Decorative divider 299 #1743
 Dark  CC 0

From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.

Source Firkin

 More Textures
Geometric pattern #2006
 Grid  CC 0

A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i

Source Firkin

Subtle Freckles #89
 Light  CC BY-SA 3.0

This is so subtle: We’re talking 1% opacity. Get your squint on!

Source Atle Mo

Prismatic Abstract Geometric Background [email protected] #793
 Noise  CC 0

Prismatic Abstract Geometric Background 5

Source GDJ

Retro Circles Background 5 No Black #426
 Noise  CC 0

Retro Circles Background 5 No Black

Source GDJ

[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

Wood 7b #1451
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Metal Background Pattern With Rivets #1085
 Metal  CC BY-SA 3.0

This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.

Source V. Hartikainen

overlay crack #153
 Noise  CC 0

This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.

Source Lazur URH

Dark Brick Pattern #1032
 Stone  CC BY-SA 3.0

A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.

Source V. Hartikainen

Black Wall #1262
 Wall  CC 0

Zerro CC tillable texture of stones photographed and made by me. CC0

Source Sojan Janso

Square ornament 38 #2147
 Dark  CC 0

From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.

Source Firkin

Wood Web Background #870
 Wood  CC BY-SA 3.0

Here's a tile-able wood background image for use in web design.

Source V. Hartikainen

Prismatic Abstract Line Art Pattern [email protected] #566
 Dark  CC 0

Prismatic Abstract Line Art Pattern Background

Source GDJ

Tessellation 15 (colour) #2222
 Blue  CC 0

The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.

Source Firkin

Element of beach pattern with background #254
 Noise  CC 0

Element of beach pattern with background.

Source Rones

Diagonal Striped [email protected] #680
 Stripes  CC BY-SA 3.0

Might not be super subtle, but quite original in its form.

Source Alex Smith

Pattern cleanup 4 #157
 Noise  CC 0

An attempt for cleaning up the original image in a few steps.

Source Lazur URH

Cover Pink #1284
 Pink  CC 0

Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.

Source Sojan Janso

Floors & Black #1597
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Soft Pad #613
 Fabric  CC BY-SA 3.0

Bumps, highlight and shadows – all good things.

Source Badhon Ebrahim

Concrete Wall 2 #79
 Wall  CC BY-SA 3.0

A light gray wall or floor (you decide) of concrete.

Source Atle Mo

Vintage pattern 2 #2295
 Yellow  CC 0

Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Fabric pattern (colour 2) #2401
 Fabric  CC 0

Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Decorative divider 188 #2521
 Dark  CC 0

From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.

Source Firkin

Floors & Block #1598
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Congruent Pentagon Outline #1308
 Dark  CC BY-SA 3.0

By popular request, an outline version of the pentagon pattern.

Source Atle Mo

Stone Wall & Dark #1479
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow