Man, if you can do that, you really can do whatever you want, and if you only want to do that because it's the way you like to work, if you do it right you can be considered a great Good / Proper 3D Modeler of course!
And after seeing your work, and adding to what other colleagues have said, for me you are already a Good / Proper 3D Modeler, also I think that extrapolating those models from a simple image would be a daunting task, the best way from my point of view The view would be the one you already have, because the alternative would be to have some very detailed blueprints, and I doubt they exist!
Greetings to all! Have a good day!