Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A new one called white wall, not by me this time.
Source Yuji Honzawa
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
Prismatic Curved Diamond Pattern No Background
Source GDJ
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
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
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Original minus the background
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
A seamless pattern formed from background pattern 102
Source Firkin