From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Sort of reminds me of those old house wallpapers.
Source Tish
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
This was formed by distorting an image of a background on Pixabay.
Source Firkin
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
A seamless background of warped stripes on paper.
Source V. Hartikainen
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Prismatic Abstract Geometric Background 4
Source GDJ