Sort of reminds me of those old house wallpapers.
Source Tish
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A floral background formed from numerous clones of flower 117.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
Prismatic Geometric Pattern Background
Source GDJ
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen