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Filled surface doesnt work for th cockpit design of this airplane, why? all is OK

Tutorial by Stephen Nyberg
Small

I have played around with this I I think I got the surface results you were looking for. I am using SW 2012 so I had to use the STEP file and I only got an imported surface and solid. I recreated the three sketches from your picture the best I could. I tired to use both the filled and boundary surface commands with different sketches but in the end I got the best results using the 'Lofted Surface' command. Here is what I did:

  1. Step 1:

    Here I changed the transparency of the solid body so we can see the two bodies better.

  2. Step 2:

    From the picture you provided, it appears your sketches were made from the surface so I hid the solid for this tutorial just to get it out of the way.

  3. Step 3:

    I started a new 3D sketch...

  4. Step 4:

    and used the 'Convert Entities' command and selected the following edges.

    Exit this sketch.

  5. Step 5:

    I created a second 3D sketch and again used the convert entities but made sure my end points of this sketch were coincident with my first sketch.

  6. Step 6:

    On the right plane I create a sketch with a spine making sure the ends of the spline was coincident with the two 3D sketches.

  7. Step 7:

    Using the 'Lofted Surface' command...

  8. Step 8:

    I chose the two 3D sketches as the profiles and the spline on the right plane as the guide curve.

  9. Step 9:

    here is the resulting surface.

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