A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Prismatic Hypnotic Pattern No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
It looks very nice I think.
Source V. Hartikainen
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Abstract Tiled Background Extended 8
Source GDJ
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Tiny circle waves, almost like the ocean.
Source Sagive
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO