Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
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
A repeating graphic with ancient pattern. I came up with this name/title at last minute, so you may find that there is very little of ancientness in this pattern after all.
Source V. Hartikainen
A free pink background pattern.
Source V. Hartikainen
The original enhanced with one of Inkscapes's filters.
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Colorful Floral Background 3 No Black
Source GDJ
Prismatic Snowflakes Pattern No Background
Source GDJ
Use shift+alt+i on the selected rectangle in Inkscape to get the tile this is based on
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A free seamless background pattern for use on websites.
Source V. Hartikainen
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Continuing the geometric trend, here is one more.
Source Mike Warner
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin