Prismatic Groovy Concentric Background
Source GDJ
A seamless pattern formed from background pattern 102
Source Firkin
Inspired by a drawing seen in 'City of Liverpool', James Picton, 1883.
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.
Source V. Hartikainen
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin