Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Prismatic Abstract Geometric Background 4
Source GDJ
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Pattern formed from simple shapes. Black version.
Source Firkin
Here's a dark background pattern that contains a steel grid pattern as a texture. Use it as a website background or for other purposes. It's free!
Source V. Hartikainen
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.
Source V. Hartikainen
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Abstract Ellipses Background Grayscale
Source GDJ
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin