I get it now. Kind of dense of me, I shoulda figgered you was usin' the main 3D window to save something you had modeled as a new library part. Go to
File > GDL Objects > Save 3D model as... and choose "ArchiCAD Object File" (this should be easy as it is the only option now
![](/legacyfs/online/emojis/icon_smile.gif)
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The fun part is when you decide you want to start editing the library part you just saved.
PS. Since you are new to the program you might want to consider coming to ACUWest. There may still be room left and the airfares are still cheap. David's classes on GDL alone are worth the trip.