The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
A nice and simple white rotated tile pattern.
Source Another One
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Prismatic Groovy Concentric Background 3
Source GDJ
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Abstract Ellipses Background Grayscale
Source GDJ
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Lovely pattern with splattered vintage speckles.
Source David Pomfret
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
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