Prismatic Polyskelion Pattern No Background
Source GDJ
White little knobs, coming in at 10x10px. Sweet!
Source Amos
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward