Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Prismatic Hexagonalist Pattern No Background
Source GDJ
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
ZeroCC tileable moss texture, photographed and made by me. CC0
Source Sojan Janso