cannot shell this solid...

 From:  Rudy
2015.6 In reply to 2015.5 
Thanks Michael,
downloaded the Beta today...

PS. Hope that V2 will have a volume calculator.

PS. In a couple of days, I will need to post a new question on how to wrap around a curved surface a flat design....may be is already in V2.

Thank you for your time and effort! MOI have been profitable for me.