Snapchat contacted me to create a batch of contextual filters in french, based on lettering work. It was a very exciting project, yet quite challenging because we were making 10 filters a week, including researches, revisions and corrections. Plus other jobs I had at the same time. One of the difficulties was to always find new letter styles, matching the message.
Due to the short deadlines, I worked straight on Photoshop with a pen tablet for most of the filters (I usually start with pen and paper). Yet some works were vectorised.
This project is explained with more details on the blog "Les Apprentis Lettreurs" (french only).