As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Prismatic Geometric Pattern Background
Source GDJ
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
From a drawing in 'Less Black than we're painted', James Payn, 1884.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Sort of reminds me of those old house wallpapers.
Source Tish
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin