Prismatic Hexagonalism Pattern No Background
Source GDJ
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
A nice and simple white rotated tile pattern.
Source Another One
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
White little knobs, coming in at 10x10px. Sweet!
Source Amos
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin