https://tuhat.net allows you to set a page size for your post and input hidden page breaks for when people download the epub version or print your posts, it doesn't affect the web version.
There is also a zine booklet mode which works out page imposition to print out a zine (eg. double sided, folded in half)
There is also a zine booklet mode which works out page imposition to print out a zine (eg. double sided, folded in half)
Click the printer icon on any tuhat post.