A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo