It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.
Source V. Hartikainen
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
The name is totally random, but hey, it sounds good.
Source Atle Mo
A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen
Prismatic Polka Dots Mark II No Background
Source GDJ
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Prismatic Hypnotic Pattern No Background
Source GDJ
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
The classic notebook paper with horizontal stripes.
Source Are Sundnes
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
Prismatic Abstract Background Design No Black
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
This is a hot one. Small, sharp and unique.
Source GraphicsWall
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin