I don’t see the
ChamferSrf failure on this one (Windows RH5 and RH6 WIP). Make sure that the distances are not too big.
FilletSrf. When you see a single surface like this:
… you basically know right away that something is wrong. These should be 4 single surfaces.
DivideAlongCreases command and make sure that the
SplitAtTangents option is set to Yes. Then select your object.
That surface should look like this after doing that:
Notice the isocurve at the arrow position.
FilletSrf should work correctly.
Please check the status of Crease Splitting on your system.
CreaseSplitting command and make sure it is set to
Enabled. There’s really no reason to have this set to disabled…