Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
A floral background formed from numerous clones of flower 117.
Source Firkin
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
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten