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
Escheresque Dark #1064
Dark CC BY-SA 3.0A comeback for you: the popular Escheresque, now in black.
Source Patten
Dimension #1173
Light CC BY-SA 3.0Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Subtle White Mini Waves #1322
Unknow CC BY-SA 3.0Tiny circle waves, almost like the ocean.
Source Sagive
Abstract Geometric Monochrome Pattern Prismatic No Background@2X #809
Noise CC 0Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Wide Rectangles #699
Wall CC BY-SA 3.0Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Tileable Wood@2X #656
Wood CC BY-SA 3.0Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Background pattern 259 (colour 5) #2098
Pink CC 0Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Simple Horizontal Light@2X #983
Light CC BY-SA 3.0Sometimes you just need the simplest thing.
Source Fabricio
Floral pattern 17 (colour) #1724
Orange CC 0Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Floral design 100 (version 2) #1773
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
"Black Chains", Gloomy Background #1082
Metal CC BY-SA 3.0A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
Mossy planks #2565
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Purty Wood #677
Wall CC BY-SA 3.0You know you love wood patterns, so here’s one more.
Source Richard Tabor
Tex2res2 #719
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
White Brushed@2X #1184
Wall CC BY-SA 3.0Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Background pattern 207 #2466
Yellow CC 0A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Colourful background #2009
Colorful CC 0Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Leafy pattern 12 (colour 2) #1761
Red CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Prismatic Polka Dots Mark II No Background@2X #531
Noise CC 0Prismatic Polka Dots Mark II No Background
Source GDJ
P4@2X #1112
Light CC BY-SA 3.0I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Robots #125
Dark CC BY-SA 3.0And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio