
1. Project blue falcon
https://www.youtube.com/watch?v=ulwRtC3ZWBc
2. Andrew Mcneil
https://www.youtube.com/watch?v=pJEeEi4xfzI
https://www.youtube.com/watch?v=InLEq04R5So&t=666s
3.Motorpixiegimbals
http://www.thingiverse.com/thing:1433813
https://www.youtube.com/watch?v=8PKhqbBy2ls
http://www.thingiverse.com/thing:945131