You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Seamless Prismatic Geometric Pattern With Background
Source GDJ
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
Colour version of the original pattern.
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
A free grid paper background pattern for using on web sites.
Source V. Hartikainen