Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
A seamless pattern formed from background pattern 102
Source Firkin
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Classic 45-degree pattern, light version.
Source Luke McDonald
Colour version of the original seamless pattern.
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin