[joi_de_vivre]

Smaller e-ink displays are astronomically cheaper--I wonder if connecting several of them and then rastering the pdf would look much different?

[untog]

The joins would have to very seamless. The visual presentation is the whole point of this thing, so you wouldn't want to ruin that.

[joi_de_vivre]

These guys make it seem nice: https://www.visionect.com/blog/tiling-eink-displays/. It would probably be a pain to set up, though.