This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Prismatic Groovy Concentric Background No Black
Source GDJ
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A black tile-able background with paper-like texture.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
This is a seamless pattern of a woody texture.The original image is here:https://pixabay.com/ja/users/ClassicallyPrinted-1302233/
Source Yamachem
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Prismatic Hexagonalist Pattern No Background
Source GDJ
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin