This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
Prismatic Polka Dots 3 No Background
Source GDJ
A version without colours blended together to give a different look.
Source Firkin
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Prismatic Abstract Background Design
Source GDJ
From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
A new take on the black linen pattern. Softer this time.
Source Atle Mo
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Colour version of the original pattern.
Source Firkin
A seamless background of warped stripes on paper.
Source V. Hartikainen
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin