Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
Subtle scratches on a light gray background.
Source Andrey Ovcharov
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Abstract Ellipses Background Grayscale
Source GDJ
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
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 seamless background of warped stripes on paper.
Source V. Hartikainen
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
A new take on the black linen pattern. Softer this time.
Source Atle Mo
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Prismatic Geometric Pattern Background
Source GDJ
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin