Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
A free pink background pattern.
Source V. Hartikainen
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
"Beige Stone", Tileable Texture.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
A seamless pattern formed from background pattern 102
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin