From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
The image depicts a seamless pattern of a snow crystal.I referred to a book called ”sekka-zusetsu” or "雪華図説" which means an illustrated explanation about snow crystals.This book was published in 1832 (天保3年) or Edo period.For more about "雪華図説",see here:dl.ndl.go.jp/info:ndljp/pid/2536975
Source Yamachem
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Snowflakes Pattern No Background
Source GDJ
Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
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
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Pattern formed from simple shapes. Black version.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie