Does the version of Nvil you link is a free prog ?

It is great polygonal modeller I think the best at the moment and it costs only 80 USD https://digitalfossils.com/Product%20registration.aspx

Site: http://digitalfossils.com/

And some surface check:

Very Cool workflow Andrei

Only drawback is having to buy Rhino and TSplines to convert the SDS geometry to nurbs. That's a pretty big investment for most users.

My workflow, flrom MOI to Nvil and Back!!!

Seems a very cool process!

That workflow works very well Andrei

How many levels of sub'd do you apply to get the nice tight round creasing on the edges of your tailwheel yoke ?

kevjon, Level -3.

But the right workflow will be to made low poly model with hand-creasing and export it to t-spline without sub-d. T-spline will smooth it and produce more simple surfaces.
I used creases to save time :)

I don't know if the free year fusion 360 (for students and enthousiast) support a very big number of polygons imported for the Tsplines?

http://fusion360.autodesk.com/pricing

Pilou, you can use fusion 360 for free durin year, there is enthusiast license. It is great software, but it depends on internet, also it has no short cuts and scripts, also it has very unconvinient navigation in viewport. But it is really great app it has everything that I dream to have, but can not use it becouse of things I described. Also I do not know how many pollys it can handle, but you do not need a lot of pollys it is better to import low poly model for conversation.

Thanks I have it as enthousiast :) but not yet test import big polygons number!
I will test that as soon as possible!
Maybe rhino convert in Tsplines more efficiently ?