Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
CC0 and seamless wellington boot pattern.
Source SliverKnight
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
A nice and simple white rotated tile pattern.
Source Another One
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen