P4 #1111
Light CC BY-SA 3.0I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
More Textures
Decorative divider 240 #2086
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Prismatic Abstract Geometric Background 2 No Black #445
Noise CC 0Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Part of Bayeux Tapestry 2 #2451
Noise CC 0From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
White Wall 3 #1148
Wall CC BY-SA 3.0This one needs to be used in small areas; you can see it repeat.
Source Luca
Wood Pattern #370
Wood CC BY-SA 3.0One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Glossy Groove Stripe Pattern (Pale Orange) #967
Stripes CC BY-SA 3.0A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
Background pattern 302 (colour 2) #1893
Dark CC 0The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Eight Horns #1325
Light CC BY-SA 3.0Looks like an old rug or a computer chip.
Source Patutin Sergey
Prismatic Geometric Pattern Background 2@2X #785
Noise CC 0Prismatic Geometric Pattern Background 2
Source GDJ
Robots@2X #126
Dark CC BY-SA 3.0And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Paper model of a tetrahedron #139
Unknow CC 0Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Medic Packaging Foil@2X #377
Light CC BY-SA 3.08 by 8 pixels, and just what the title says.
Source pixilated
Wavy background #2018
Colorful CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Background pattern 234 (colour 3) #2257
Blue CC 0Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Nistri #773
Stripes CC BY-SA 3.0No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Floral design 88 #1876
Dark CC 0From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Repeating Stone-Like Background (Dark Brown) #1056
Stone CC BY-SA 3.0A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
Soft Kill@2X #319
Dark CC BY-SA 3.0Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Rain pattern #1933
Water CC 0To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin