Goes with hacks, but nobody can see.
You can create it using certain programs, but you can't insert it into the game ^^
If you like 3D modeling with e.g. Cinema 4D or Blender can do well. But there are many more steps to get the whole thing into play.
Have brought in the net skins that can be edited?
Or you can draw it with 3d printer
You can't make your own skins! You can only model them yourself, but you can't get them into play!
I do not know
That was only once in season 2 chapter 2 so there was an extra skin to make yourself
Ah ok