The name tells you it has curves. Oh yes, it does!
Source Peter Chon
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
An alternative colour scheme to the original seamless pattern.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
A pattern formed from a squared tile. The tile can be accessed 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
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
Spice up your next school project with this icon background.
Source Swetha
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
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
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin