If you want png files of thisu can download them here :
Source Viscious-Speed
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Abstract Geometric Background 5
Source GDJ
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin