Are you still don't know how to work with 3D Max and Blender? Try an alternative! Sketchup is the easiest way to create 3D models! It is free. https://www.sketchup.com/
I know I already posted this, but...we are going back! So... Here is what I have to say: Be brave! Be careful! Take care of each other! We are one, we are BROTHERS!