Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
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
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Geometric Pattern Background 2
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ