As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
Background pattern originally a PNG drawn in Paint.net
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Prismatic Floral Background No Black
Source GDJ
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Alternative colour scheme. 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
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
Oh yes, it happened! A pattern in full color.
Source Atle Mo
A light brushed aluminum pattern for your pleasure.
Source Tim Ward