Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ
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
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
The original enhanced with one of Inkscapes's filters.
Source Firkin