here are the links if you want to try it out:
Main build guild: https://github.com/fuchsia-mirror/magen ... started.md
Rpi3 Specific guild: https://github.com/fuchsia-mirror/magen ... ts/rpi3.md
oh yeah remember, the sdcard should be larger than 32MB, had a hard time finding one of those...
My video of it working: https://www.youtube.com/watch?v=BOfVCUdfKBQ