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How to model a cap?

Tutorial by Stephen Nyberg
Small

I started playing with it and I have the crevisis you are asking about. you should start a project here and upload your file. I saved my version but I am using a SW 2012 so I don't think you will be able to open it so here is how I did it.

  1. Step 1:

    I opened a sketch on the plane you created. (the top of the ribs)

  2. Step 2:

    created a rectangle the size I wanted and made sure it was large enough to touch both the rim and the inner high part.

  3. Step 3:

    extruded to the bottom surface with 5 degrees of draft

  4. Step 4:

    created an axis using the front and right plane

  5. Step 5:

    did a circular pattern (under the linear pattern button)

  6. Step 6:

    did a second circular pattern the other direction (click on the arrows to the left of the axis to change the direction)

  7. Step 7:

    added some fillets

  8. Step 8:

    and a few more fillets

  9. Step 9:

    and this is what we have.

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