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
More Textures
Background pattern 112 #263
Fabric CC 0A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin
Subtle Carbon #949
Dark CC BY-SA 3.0There are many carbon patterns, but this one is tiny.
Source Designova
Background pattern 215 (colour 2) #2370
Blue CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Geometric Pattern Background #407
Noise CC 0Prismatic Geometric Pattern Background
Source GDJ
Floral design 71 #2429
Dark CC 0From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
"Dark Wood", Free Web Background #872
Wood CC BY-SA 3.0Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Decorative divider 292 #1774
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Decorative divider 236 #2090
Dark CC 0From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Grunge Wall@2X #82
Wall CC BY-SA 3.0Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Dark Concrete Wall #1193
Concrete CC BY-SA 3.0A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
White Leather #639
Fabric CC BY-SA 3.0I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Tex2res2@2X #720
Fabric CC BY-SA 3.0Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Grey Sandbag@2X #642
Paper CC BY-SA 3.0A bit strange this one, but nice at the same time.
Source Diogo Silva
Floral divider 7 #1747
Dark CC 0From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Background pattern 277 #2029
Dark CC 0A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Star pattern 2 #1898
Dark CC 0To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
"Wide Stripe Wallpaper", Seamless Pattern #970
Stripes CC BY-SA 3.0A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
Background pattern 226 (colour 4) #2319
Green CC 0A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Rough Concrete Surface #1195
Concrete CC BY-SA 3.0This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Prismatic Geometric Pattern Background@2X #787
Noise CC 0Prismatic Geometric Pattern Background
Source GDJ
Floral design 101 (version 2) #1757
Green CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
"Dirty Paper", Seamless Background #1059
Paper CC BY-SA 3.0A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
Floral flourish #1816
Dark CC 0Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
Satin Weave #1044
Light CC BY-SA 3.0Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod