Why my "familyinstance.bygeometry" creat an empty famiy?

I trid to import a ".sat "file to revit though the node “familyinstance.bygeometry”. It seemed to success in the dynamo emviroment by not in revit. the family named "“texing” is a total empty family. what is the problem?

My guess is that the sat geometry is too tiny to be visible inside the family.

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great!you are right. Thank you very much.The solid is too small in the family.
But why ? I creatd the solid in the CAD , whose dimension was aboout 10000.And convert it as “sat” file though the dynamo,choosing the unit “mm”.But as the result ,in the revit family ,10000 mm change to 10mm. May I need to study more about the unit.