This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
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
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
Black & white version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
A seamless background texture of old cardboard.
Source V. Hartikainen
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin
Light and tiny, just the way you like it.
Source Rohit Arun Rao
White circles connecting on a light gray background.
Source Mark Collins
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Mostly just mucked about with the colours and made one of the paths in the lead frame opaque. The glass remains transparent.
Source Firkin
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.
Source Atle Mo
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
Wasn't satisfied with the original's colouring. Too much component transfer and colormatrixes yet the results are lacking a bit. So this time it is a simple black to transparent fade, making it possible remixing easily once there will be other blending modes supported as well. Probably in inkscape 0.92.
Source Lazur URH