Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
A heavy hitter at 400x400px, but lovely still.
Source Breezi
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
ZeroCC tileable moss texture, photographed and made by me. CC0
Source Sojan Janso
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Remixed from a vector adapted from a jpg on Pixabay. The tile this is constructed from can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim