Paven #296
Grid CC BY-SA 3.0A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
More Textures
Floral background 18 #1834
Dark CC 0emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
Diamond pattern 2 (colour 2) #2267
Colorful CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Flower Trail #741
Noise CC BY-SA 3.0Sharp pixel pattern, just like the good old days.
Source Paridhi
Redox 01 #849
Light CC BY-SA 3.0Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Cross pattern #2333
Dark CC 0A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Fabric pattern 3 (colour 4) #2384
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
Background pattern 246 (colour 2) #2185
Green CC 0This was formed by distorting an image of a background on Pixabay.
Source Firkin
Cardboard #278
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
Gradient Squares@2X #694
Grid CC BY-SA 3.0It’s big, it’s gradient—and it’s square.
Source Brankic1979
Disks pattern #1890
Dark CC 0Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
Vintage pattern #2296
Brown CC 0Inspired 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
Kaleidoscope Prismatic Abstract No Background@2X #807
Noise CC 0Kaleidoscope Prismatic Abstract No Background
Source GDJ
stone filter pack #154
Stone CC 0This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Prismatic Geometric Pattern Variation 2 With Background #471
Noise CC 0Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Decorative divider 251 #2069
Dark CC 0Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Background pattern 264 #2071
Orange CC 0The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
White Plaster@2X #369
Wall CC BY-SA 3.0Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer