A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen
Fix and cc0 to get the tile this is based on.
Source SliverKnight
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin
Prismatic Hypnotic Pattern No Background
Source GDJ
The image depicts a seamless pattern of the design which includes a stylized lotus and a stylized crane.I referred to the original image in a book which is into public domain.
Source Yamachem
Looks like an old rug or a computer chip.
Source Patutin Sergey
Seamless Prismatic Geometric Pattern With Background
Source GDJ
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Seamless Green Tile Background
Source V. Hartikainen
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A repeating background with a look of paper. I have added some changes to PatCreator. Now you can share your designs by submitting them to a new gallery section. Start by clicking Edit with PatCreator above.
Source V. Hartikainen
From a drawing in 'La Principauté de Liège et les Pays-Bas au XVIe siècle', Société des Bibliophiles Liégeois ,1887.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud