What program to use for simple 3D modeling?

Question

3D

There is a factory. The plant has all sorts of production processes. It is necessary to visualize some parts of the process for presentation to auditors.
Like, here is one pipe, we pour plastic into it, it melts there, then like this shaft, this thing is mixed inside and then it pours out onto paper so beautifully.
Apart from 3DsMax, what programs are there to create similar clips with the least amount of gestures?
CAD, like a compass or AutoCAD I can.

Answer 1

Blender
Plus, Blend4Web for publishing the entire action as a beautiful presentation.

Answer 2

Blender support. There is no better solution.
At the same time, it has rich programming capabilities in Python. Even games were written)
SketchUp can also come in handy solely because of the high ease of use.

Answer 3

Freelance and it will be much faster and better than doing it yourself. If you still want to figure it out yourself - Blender

Answer 4

SCADA. For example, Genesis-64.