Sort of reminds me of those old house wallpapers.
Source Tish
Embossed lines and squares with subtle highlights.
Source Alex Parker
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Polka Dots Mark II No Background
Source GDJ
Zero CC asphalt, pavement, texture, photographed and made by me. CC0 WARNING I FOUND A SEAM ON THIS TEXTURE
Source Sojan Janso
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Prismatic Abstract Background Design
Source GDJ
Sort of reminds me of those old house wallpapers.
Source Tish
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A repeating background of beige (or is it more vanilla yellow) textured stripes. One more background with stripes.
Source V. Hartikainen
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen