Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
You may use it as is, or modify it as you like.
Source V. Hartikainen
The original enhanced with one of Inkscapes's filters.
Source Firkin
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Geometric triangles seem to be quite hot these days.
Source Pixeden
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
From a drawing in 'Hundert Jahre in Wort und Bild', S. Stefan, 1899.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
There are many carbon patterns, but this one is tiny.
Source Designova
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Colorful Floral Background No Black
Source GDJ
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin