A seamless web background with texture of aged grid paper.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
A seamless pattern formed from background pattern 102
Source Firkin
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Zero CC tileable hard cover green book, scanned and made by me. CC0
Source Sojan Janso