A comeback for you: the popular Escheresque, now in black.
Source Patten
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Psychedelic Geometric Background No Black
Source GDJ
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Prismatic Abstract Geometric Background 4
Source GDJ
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Prismatic Abstract Geometric Background 5
Source GDJ