Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Prismatic Abstract Background Design
Source GDJ
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Colourful background achieved with gradient fills.
Source Firkin
The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
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
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
A brown metallic grid pattern layered on top of a dark fabric texture. It should look great when using as a tiled background on web pages, especially blogs.
Source V. Hartikainen
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin