Tessellation 16 (colour 2) #2214
Colorful CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
More Textures
White Plaster #368
Wall CC BY-SA 3.0Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Prismatic Curved Diamond Pattern 5 No Background@2X #544
Diamond CC 0Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Prismatic Polka Dots Mark II No Background #530
Noise CC 0Prismatic Polka Dots Mark II No Background
Source GDJ
Fence 9 (colour 2) #2194
Wood CC 0A browner version of the original weathered fence texture.
Source Firkin
Decorative divider 283 #1856
Dark CC 0From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Decorative divider 235 #2091
Dark CC 0From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Olive Green Web Background Image #1335
Green CC BY-SA 3.0Seamless Olive Green Web Background Image
Source V. Hartikainen
A dark wool background pattern with diagonal stripes #907
Stripes CC BY-SA 3.0Feel free to download and use it, or see the rest of the dark background patterns that I have made. Anyway, I hope you will find something that you like.
Source V. Hartikainen
Circles pattern #1917
Yellow CC 0Fix side and a seamless pattern formed from circles.
Source SliverKnight
Escheresque Dark@2X #1065
Dark CC BY-SA 3.0A comeback for you: the popular Escheresque, now in black.
Source Patten
Colourful background #2010
Colorful CC 0Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Tessellation 11 (variant 3) #2536
Grid CC 0The original enhanced with one of Inkscapes's filters.
Source Firkin
Background pattern purple #1952
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
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
Bird pattern (colour 2) #2292
Green CC 0Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Squares@2X #303
Dark CC BY-SA 3.0Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Wild Oliva #988
Dark CC BY-SA 3.0Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Winding Stripes Background Pattern #1164
Fabric CC BY-SA 3.0A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
Floral background 7 #2225
Yellow CC 0A floral background formed from numerous clones of flower 117.
Source Firkin
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
Mossy #1296
Stone CC 0ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
flower seamless pattern #2272
Brown CC 0This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
regular hexagon pattern #2541
Grid CC 0The image depicts a pattern of regular hexagon.As I made to use it for myself,I want to others to use it.Speaking about the ratio of the image, height : width = 2 : √3(1.732...)Ridiculous to say,I realized later that this image is not honey comb pattern.I have to slide the second row.
Source Yamachem