Seamless Cardboard Texture #1212
Cardboard CC BY-SA 3.0A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
More Textures
Fabric pattern #2402
Fabric CC 0Alternative 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
Cardboard@2X #279
Paper CC BY-SA 3.0A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Clean gray paper@2X #860
Paper CC BY-SA 3.0On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
Old Mathematics@2X #44
Stripes CC BY-SA 3.0This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Wallpaper Tile 13 #240
Light CC 0An abstract Background pattern of purple twisty patterns.
Source TikiGiki
Subtle Freckles #89
Light CC BY-SA 3.0This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Prismatic Triangular Seamless Pattern III With Background #273
Dark CC 0Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Background pattern 252 (colour) #2161
Colorful CC 0Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background pattern 306 (colour 5) #1879
Colorful CC 0Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Mossy planks #2565
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Farmer@2X #660
Fabric CC BY-SA 3.0Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Floral pattern 18 #1716
Dark CC 0A pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
PS Neutral@2X #1135
Light CC BY-SA 3.0This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
Light Grey Floral Motif #344
Wall CC BY-SA 3.0Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Office #957
Dark CC BY-SA 3.0I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Subtle Orange Emboss #97
Light CC BY-SA 3.0A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Decorative divider 250 #2070
Dark CC 0Remixed from a drawing in 'Очерки Русской Исторіи въ памятникахъ быта', Petr Polevoi, 1879.
Source Firkin
Paven #296
Grid CC BY-SA 3.0A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Page ornament 41 #2092
Dark CC 0Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
WaveCut@2X #76
Light CC BY-SA 3.0If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Stressed Linen #986
Dark CC BY-SA 3.0We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman