A background pattern with a look of rough fabric.
Source V. Hartikainen
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Abstract Tiled Background Extended 6
Source GDJ
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Subtle scratches on a light gray background.
Source Andrey Ovcharov
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen