I have a model which I want to be thicker by adding more vertices, you can also say that I want it to be extruded just the same way 2D Shapes can be extruded, but I don’t know any method to do this.
This is the image of the model I have:
And this is the example of how I want it to look from everywhere, they are not the same models but clears the point:
Thanks in advance for the help and time