Light and tiny, just the way you like it.
Source Rohit Arun Rao
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Background formed from the original with an emboss effect
Source GDJ
Tiny circle waves, almost like the ocean.
Source Sagive
This is sort of fresh, but still feels a bit old school.
Source Martuchox
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A comeback for you: the popular Escheresque, now in black.
Source Patten
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