Batthern #324
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
More Textures
Background pattern 230 #2304
Yellow CC 0To 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
60º lines@2X #26
Light CC BY-SA 3.0Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Layered wood #2566
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
flower seamless pattern-remix #2445
Fabric CC 0This is a remix of "flower seamless pattern".I rotated the original image by 90 degrees.This is a seamless pattern of flowers.These horizontal wavy lines are one of Edo patterns which is called "tatewaku or tachiwaku or 立湧" that represents uprising steam or vapor.
Source Yamachem
Background pattern 227 (colour 6) #2309
Red CC 0A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Escheresque Dark@2X #1065
Dark CC BY-SA 3.0A comeback for you: the popular Escheresque, now in black.
Source Patten
Floral flourish #1816
Dark CC 0Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
Fancy Deboss@2X #178
Fabric CC BY-SA 3.0Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Retro Circles Background 4 No Black@2X #423
Dark CC 0Retro Circles Background 4 No Black
Source GDJ
Triangular@2X #1157
Gray CC BY-SA 3.0Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Wallpaper Tile 13 #240
Light CC 0An abstract Background pattern of purple twisty patterns.
Source TikiGiki
Arches #715
Light CC BY-SA 3.0One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Prismatic Abstract Geometric Background 4 #271
Noise CC 0Prismatic Abstract Geometric Background 4
Source GDJ
Egg Shell #861
Light CC BY-SA 3.0It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Floral pattern 12 #1766
Dark CC 0Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Light Grey Floral Motif@2X #345
Wall CC BY-SA 3.0Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
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
Joined spirals pattern #2482
Yellow CC 0The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
Fence 9 (colour 2) #2194
Wood CC 0A browner version of the original weathered fence texture.
Source Firkin