My home Epson printer supports paper as long as 1117.6 mm (44.0 in) out of the box so it can print a shorter one in color. Maybe some models have firmware hacks to disable paper feed between pages, enabling continuous printing.

Why “/s”? He literally did that. If you’re using it to sail across the river, it does not matter what its overall shape is - you can’t get lost anyway but it will help to know about amenities ashore.

Surprisingly many printers with manual feed options support meter-long sizes or more so it’s feasible to print it cheaply in color too (using receipt paper for the rarer dot-matrix printers).

The compass is a joke, it should be slanted. Annotated coordinates and globe are more than enough.