Colourful background achieved with gradient fills.
Source Firkin
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
It looks very nice I think.
Source V. Hartikainen
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Sometimes you just need the simplest thing.
Source Fabricio
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
Alternative colour scheme to the original.
Source Firkin
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
The image depicts a seamless pattern of the design which includes a stylized lotus and a stylized crane.I referred to the original image in a book which is into public domain.
Source Yamachem
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.