Cardboard Flat #961
Gray CC BY-SA 3.0Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
More Textures
Background pattern 15 #201
Dark CC 0A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Decorative divider 185 #2588
Orange CC 0From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
Spotty Pink Background (Seamless) #1236
Pink CC BY-SA 3.0A free seamless background with pink spots.
Source V. Hartikainen
Floral pattern 11 #1770
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Classy Fabric@2X #612
Dark CC BY-SA 3.0This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Visual illusion #2586
Grid CC 0The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Decorative divider 254 #2040
Dark CC 0Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Decorative divider 280 #1875
Blue CC 0From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Seamless Blue On Yellow Background #1160
Grid CC BY-SA 3.0This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
Pine Bark #1276
Wall CC 0Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
Small Crackle Bright #352
Light CC BY-SA 3.0Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Love decorative divider #1910
Colorful CC 0Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Carbon Fiber Big@2X #327
Carbon CC BY-SA 3.0Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
White Wall@2X #772
Wall CC BY-SA 3.0A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Brick Wall@2X #1147
Wall CC BY-SA 3.0One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Floral background #1964
Dark CC 0Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Knitted Sweater@2X #1098
Light CC BY-SA 3.0Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Swirl@2X #948
Light CC BY-SA 3.0The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Block Well #1696
Colorful CC 0Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Background pattern 7 (grey) #206
Dark CC 0Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Decorative divider 282 #1857
Dark CC 0From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Graphy #350
Grid CC BY-SA 3.0Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8