Pwr_Shell lets object disappear

[Thomas Wagner]

Hi there,

I'm still quite new to PowerNurbs and do most of the modeling using boolean operations and Pwr_EditNRB. Now I have created this quite simple object and would like to use the power shell modifier, but as soon as I apply the shell, the whole object simply disappears.

Is there something I can do about it? The nurbs structure seems OK to me. Feels like a bug, but hopefully it isn't and there is something I can do about it... ;)

Thanks for your help in advance,
Thomas

[nPower_Michael]

Hi, and thanks for posting!

I took a brief look at the scene and there very well might be a bug here. One thing that struck me as very odd is that despite the EditNRB looking like a (non-solid) surface, the topo counts claim there are two volumes somewhere in the EditNRB. I'd love to see the construction history for this object; if it is convenient, could you please post an example file where the history is still intact (i.e. not a Pwr_EditNRB, but an object type that shows sub-operands in the Operator Parameters rollout)? The history is often very useful in troubleshooting these sorts of issues.