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 comeback for you: the popular Escheresque, now in black.
Source Patten
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Almost like little fish shells, or dragon skin.
Source Graphiste
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
Alternative colour scheme for the original floral pattern.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin