How to 3D print a surface model?

Maybe 1st of all try to write nicknames correctly (will be helpful to find model)..
If you tell about bmw m6 , than remember in what program you are working - SOLIDworks
You must sew surfaces, and make the body solid

  1. Step 1:

  2. Step 2:

    select borders

  3. Step 3:

    sew surface

  4. Step 4:

    checkbox = make solid

  5. Step 5:

    As you can see now it's solid

  6. Step 6:

    Just like this one you must do with whole body.
    Make new surfaces for that detailed view, that you want