To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:https://jp.pinterest.com/pin/500744052301423641/
Source Yamachem
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Background formed from the original with an emboss effect.
Source Firkin
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Prismatic Abstract Background Design
Source GDJ
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees