No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
The base gradient edited so now more details are rendered.
Source Lazur URH
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Prismatic Polyskelion Pattern No Background
Source GDJ
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
This was formed by distorting an image of a background on Pixabay.
Source Firkin