This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Same classic 45-degree pattern, dark version.
Source Luke McDonald
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
Colourful background achieved with gradient fills.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
The tile this is based on was adapted from an image that was uploaded to Pixabay by frolicsomepl. It can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin