Thanks go to all hwo have tryed to help me.Excuse my SMS language...:) The message of mac seems the right one (I have Compose and has maded already the same bad stuff on my computer as for mac).I will try to use the .obj's from Geometry.At this I wasn't thinking!Let's hope it will work. Btw , I use True Space 4.0 for external editing.So , if you have any advices about that , please tell me. Thank you again!Best regards!