Another year, another EBOC. I participated on both the 5th and 6th of April event, which was great. Pre-Convention Unlike last year where an email was sent, I knew the event from Discord announcement. There were forms to register for diagram submission, exhibition, and teaching. Being a local, I have the moral obligation to participate on all of those, but with some adjustments. The first is diagram submission. Worrying the printing company would mess up again, I asked the committee if they can check if my submitted diagram has correct mountain and valley before it's printed. I also changed the diagramming software from Affinity Designer (with Nicolas Terry's template) to Inkscape, with template built from scratch. Hopefully this template with plain old vector won't introduce missing asset. By the way the model I submitted was water boatmen . The second is exhibition. The convention venue is small, and we better to take the exhibition off at the end of each day because no o...