A bit strange this one, but nice at the same time.
Source Diogo Silva
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
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
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Prismatic Hexagonalist Pattern No Background
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
White handmade paper pattern with small bumps.
Source Marquis