Sometimes you just need the simplest thing.
Source Fabricio
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
CC0 and seamless wellington boot pattern.
Source SliverKnight
Classic vertical lines, in all its subtlety.
Source Cody L
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
Sharp pixel pattern, just like the good old days.
Source Paridhi
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
A bit of scratched up grayness. Always good.
Source Dmitry
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Prismatic Polka Dots Mark II 3 No Background
Source GDJ