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
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
An abstract web texture of a polished blue stone (or does it look more like ice).
Source V. Hartikainen
Prismatic Geometric Pattern Background No Black
Source GDJ
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Colourful background achieved with gradient fills.
Source Firkin
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran