How to give a poster presentation

How to design a research poster (The PDF document appears somewhat cluttered, and one may not have the requisite graphic design skills, but the principles sound good.)

Effective poster design for academic conferences

Design of scientific posters

Tips for making effective posters

Resources (see 'Posters' section)

How do you make a good math research poster for a non-mathematical audience?

Making a math poster with Inkscape

Desiging Conference Posters (long, but one good part is "In addition to a Google search (try, “poster session“, for example), browse the poster collection at Faculty of 1000. But don’t emulate everything you see — most of the posters on the internet are truly awful, and some are likely crimes against humanity.")