Video series worth a watch from 3D Printing Nurd.
These videos talk about the additive printing bill and how it essentially looking to make any "uncertified" 3d printer or even CNC machines illegal.
Strictest 3D Printing Regulation YET! California AB2047: https://www.youtube.com/watch?v=5ax9zW0w_gY
3D Printing in California Can Be Saved! https://www.youtube.com/watch?v=EGvvEuIPJxA
The FINAL Hearing in California: https://www.youtube.com/watch?v=b6fpPStIAsY