This is a remix of "flower seamless pattern".I rotated the original image by 90 degrees.This is a seamless pattern of flowers.These horizontal wavy lines are one of Edo patterns which is called "tatewaku or tachiwaku or 立湧" that represents uprising steam or vapor.
Source Yamachem
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.
Source V. Hartikainen
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Retro Circles Background 7 No Black
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
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
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen
Looks like an old rug or a computer chip.
Source Patutin Sergey
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen