This is the remix of "Strawberry Pattern Background" uploaded by "GDJ". Thanks. I realigned strawberries so as to get seamless and changed the BG color.
Source Yamachem
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Prismatic Abstract Geometric Background 5
Source GDJ
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Sometimes you just need the simplest thing.
Source Fabricio
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin