The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Inspired by an image that was uploaded to Pixabay by geralt
Source Firkin
From a tile that can be had 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
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Prismatic Geometric Pattern Background No Black
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Retro Circles Background 7 No Black
Source GDJ
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow