The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Prismatic Floral Background No Black
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Alternative colour scheme for the original floral pattern.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Zero CC Mossy stone tileable texture, photographed and made by me. CC0
Source Sojan Janso