P5@2X #1114
Light CC BY-SA 3.0Number five from the same submitter, makes my job easy.
Source Dima Shiper
More Textures
Background pattern 334 #1729
Dark CC 0Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Stacked Circles@2X #674
Light CC BY-SA 3.0A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Blue Stripes Pattern #969
Stripes CC BY-SA 3.0A textured blue background pattern with vertical stripes.
Source V. Hartikainen
Escheresque Dark #1064
Dark CC BY-SA 3.0A comeback for you: the popular Escheresque, now in black.
Source Patten
Crisp Paper Ruffles #841
Light CC BY-SA 3.0Sort of reminds me of those old house wallpapers.
Source Tish
Prismatic Geometric Pattern Background 2 #409
Noise CC 0Prismatic Geometric Pattern Background 2
Source GDJ
Stucco@2X #295
Wall CC BY-SA 3.0A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Eight Horns #1325
Light CC BY-SA 3.0Looks like an old rug or a computer chip.
Source Patutin Sergey
Batthern #324
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Background pattern 198 (variant 2) #2509
Yellow CC 0A version without colours blended together to give a different look.
Source Firkin
Floral background 11 #2044
Dark CC 0Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Fake Luxury #621
Diamond CC BY-SA 3.0Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Back Pattern #945
Light CC BY-SA 3.0Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Wallpaper Tile 13 #240
Light CC 0An abstract Background pattern of purple twisty patterns.
Source TikiGiki
Background pattern 105 #563
Dark CC 0A seamless pattern formed from background pattern 102
Source Firkin
SOS #1180
Light CC BY-SA 3.0I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Paper model of a tetrahedron #139
Unknow CC 0Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Prismatic Curved Diamond Pattern 4 No Background #541
Diamond CC 0Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Light Gray #1203
Gray CC BY-SA 3.0Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay