I'm ready to make my new awesome electronic instrument.
I need to design a PCB, make a 3D model of it and design a plastic case for the PCB.

I tried KiCAD and rejected it because it doesn't move components with wires properly.
I can't rewire everything when I need to insert a new component there.

How do you move from a wire diagram to PCB and to the final plastic case?

What do you use for PCB, which can more components with wires and auto-route the board tracks?
I think I'll use Blender for 3D printing and plastic production.

Oh, and I'm not paying for anything, of course.