I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Spice up your next school project with this icon background.
Source Swetha
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Gold Triangular Seamless Pattern No Background
Source GDJ
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
White little knobs, coming in at 10x10px. Sweet!
Source Amos
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
Source V. Hartikainen
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin