From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
An abstract web texture of a polished blue stone (or does it look more like ice).
Source V. Hartikainen
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Mostly just mucked about with the colours and made one of the paths in the lead frame opaque. The glass remains transparent.
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This background image is great for using in web design or graphic design projects. And don't forget to visit the homepage. I frequently update this resource with fresh tileable backgrounds.
Source V. Hartikainen
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Retro Circles Background 5 No Black
Source GDJ
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
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
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner