No Bottom

[DeltaCon]

I am trying to slice a model in vase-mode, but can not seem to get rid of the bottom layers. I thought when I sink the model below the bed a mm, KISS would not slice the bottom as filled, but it does. Is there an other way to get rid of the bottom, and print a completely open model?

[DeltaCon]

Hmmm, clicked here and there. Set Skin thickness to zero and that worked. Although yesterday I tried the same. Maybe it was too late yesterday...