Comment by CableNinja

Noob here. If you dont mind ive got some questions for you!

Ive recently started messing with the idea of making my own model car kits as a hobby. I understand a lot of the basics, but have never done anything like this before.

Im obviously not going to make kits in mass, but, i plan on doing injection molding using polystyrene. I do not currently have a cnc, but have been eyeing a SainSmart, though they say "can do metal under certain circumstances", but doesnt cover any of those circumstances. I also was looking at various injection machines and the price for entry is insane to me - $1000 for something that would probably burn your house down.

Anyway, to my questions..

1. Suggestions for a hobby cnc that can work aluminum? Id be willing to go as far as $2kUSD, unless theres something more that you think would serve me significantly better 2. Suggestions for a hobby injection machine that can do ~60-100g shots, that wont try to burn my house down, and doesnt cost a ton? 3. Any tips or thoughts for someone diving in to this? 4. Things i should purchase for QoL with cnc or injection molding? 5. Where does one buy materials (in hobby quantity) like aluminum block stock and polystyrene pellets?