Prismatic Rounded Squares Grid 4 No Background
Source GDJ
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
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
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin