I ENCOUNTERED THIS SAME SITUATION THIS MORNING. THE SOLID MUST BE A MDT 'PART' BEFORE THE TRANSLATOR WILL WORK. LOAD INTO MDT, GOT TO THE PART MENU - CONVERT SOLID. SAVE IT AND TRY TO IMPORT INTO SWX. NOTE THE MDT TRANSLATOR WILL NOT WORK WITHOUT MDT 5.0 INSTALLED.
HOPE THIS HELPS,
JEFF