This video is an amazing time lapse of the creation of a Eurorack synth module. It shows you what you'll spend a lot of time doing in a smaller org (smaller, as in, you do everything...). https://www.youtube.com/watch?v=1pawXfoTg1k
The creator of that video was answering questions on reddit, and amazingly the whole design and build process took less than a week.
https://www.reddit.com/r/ArtisanVideos/comments/50tqgx/the_d...