A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
Prismatic Groovy Concentric Background 5
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Seamless tile drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. A version of the original with random colors.
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
A seamless web background with texture of aged grid paper.
Source V. Hartikainen
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee