The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin