Poly Trans run by a guru that has been in the field foreveer
I am a former Medical R&D guy who spent many years in the 3D graphics arena writing code. During my time I had the good fortune to become acquainted with Robert Lansdale.
3D translations are one of the more complex areas of 3D software development. All translations are subject to some level of interpretation. Some interpretations are more technically correct while others are more aesthetically correct.
PolyTrans is the only translator I know of that does a robust job of translating from a plethora of formats to another plethora of formats!
If you want a translation that "looks good" but is not technically accurate perhaps, on very rare occasions, PolyTrans is not for you. But having said that you will be passing by the one translator that can go from practically anything to almost anything else.
If you are not getting the translation you want I'm betting that it is either the original model and the way it was modeled or a translator that has some technical flaws that make certain models serendipitously look better.
I never write reviews but when I saw the egregious bashing done by someone who is a newbie to 3D modeling I had to respond for the sake of all the 3D modeling community.
Modo itself has many modeling issues. For example, it has no arc construct only an arc wedge! This causes problems when you want to create a surface patch by running and arc down two spline guide rails, as you get stuff in the middle you don't want.
I tried to show my email address for the sake of transparency and legitimacy but could not get the site to do so: email@example.com