I purchased this model from Turboquid - I like the model a lot and it is perfect what what I am planning to use it for, however...
The C4D version comes into Element 3D as one piece, which makes it unsuitable for animation of the rotors, etc.
The obj and 3ds versions are better, but I ran into a problem with the main rotor and the small rotor - when I animated them in Element 3D, they "wobbled" rather than moving smoothly. Turbosquid Customer Support was great and tried valiantly to solve the problem, but nothing worked out. (They are great to work with.)
I don't have Cinema 4d or any other 3D program, so I downloaded Blender (blender.org). It is free to download and use (though I would encourage anyone to donate!)
If you are a noob like me to 3D modeling, it can be a real challenge to learn even the basics of Blender (especially on a Mac), but it is possible to quickly separate out objects and make them suitable for importation/animation in Element 3D.
For my ease of use, I separated each rotor assembly and the cargo door as separate models and saved them both as Blender files and obj files, as well as the main fuselage as a separate obj file. It worked great for animating the cargo door.
However, even that did not solve my rotor problem. They still had a tendency to wobble on their axis.
Enter my personal savior, 3D artist Fred Mantel (fredmantel.com). Fred was able to figure out what the issue was with each rotor and sent me obj files with the objects re-centered so that they now rotate smoothly. He is a great guy, very responsive and very affordable - I told him he should hang out a shingle helping other noobs like me with issues they run into with purchased models that don't quite work they way they should in E3D. I highly recommend his services to other noobs like myself!
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