To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Used a cherry by doctormo to make this seamless pattern
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
The image is a seamless pattern of a fishnet.
Source Yamachem
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Prismatic Polka Dots Mark II No Background
Source GDJ
Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
A seamless pattern formed from a square tile based on a jpg on Pixabay. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
A pale olive green background with a seamless texture.
Source V. Hartikainen
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
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Use shift+alt+i on the selected rectangle in Inkscape to get the tile this is based on
Source Firkin