Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
White little knobs, coming in at 10x10px. Sweet!
Source Amos
An alternative colour scheme for the original background.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Lovely pattern with splattered vintage speckles.
Source David Pomfret
This is a seamless pattern of a woody texture.The original image is here:https://pixabay.com/ja/users/ClassicallyPrinted-1302233/
Source Yamachem
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8