To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
Sharp but soft triangles in light shades of gray.
Source Pixeden
A seamless pattern formed from background pattern 102
Source Firkin
Someone was asking about how to achieve a fur pattern at #inkscape irc so tried to make a filter on it. Flood filled fractal noises rigged together. May someone find a good use for these.
Source Lazur URH
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
I’m not going to lie – if you submit something with the words Norwegian and Rose in it, it’s likely I’ll publish it.
Source Fredrik Scheide
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
White little knobs, coming in at 10x10px. Sweet!
Source Amos
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
A bit strange this one, but nice at the same time.
Source Diogo Silva
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin