The least-regarded of the evil triplets in the hat trick of poster, presentation, paper that comprise the ritual for conjuring an academic career.
See PDFs for some useful practical mechanics of printing.
More broadly, get some hot advice from…
- Tullio Rossi, How to design an award-winning conference poster
- better posters, a poster critique and tips blog
Pro-tip: if you are plotting using python, you should be aware that seaborn has a poster mode for scaling line widths sensibly.