How to use STL tools available in ANSYS SpaceClaim to turn STL solid bodies into shell bodies

[@TheBondy2010]

You are amazing.

[@fzigunov]

I didn't have the license to do it. But your tutorial is amazing and you easily let me know that was the issue, so thumbs up for you!

[@seanobrien3272]

Material Name: Milk Chocolate

[@sampathkumarbillakuduru503]

I have got two error messages that 1) Mesh is not watertight and 2) Mesh is self intersecting.
How to clean the errors?