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
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
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
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
Abstract Tiled Background Extended 10
Source GDJ
Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. Version with black background.
Source Firkin
Just like the black maze, only in light gray. Duh.
Source Peax
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim