Continuing the geometric trend, here is one more.
Source Mike Warner
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Prismatic Abstract Background Design
Source GDJ
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Prismatic Polyskelion Pattern No Background
Source GDJ
This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca