Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Prismatic Groovy Concentric Background
Source GDJ
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Prismatic Polka Dots 3 No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau