Hi, I'm Talchi.
I'm in trouble, for datum surface is extremely large.
On "Model tree", When I playacertainfeature, datum will be very large.
(30times thesizeapproximatemodel)
I havetried toremove thefeatures that werethe problems seem,
Idid not reachresolution.
I think, invisiblefeatures ( such ascross-sectionforthe sketch ) arecausinga problem.
It is not knowndetails.
I'm sorry poor information,
Pleasehelp meto solve thisproblem.
My environments is below.
Pro|ENGINEER
Wildfire 3.0
Thanks.