I have used MoI during these last days (near the ocean :) for some objects to modelize
It's appear that some functions are some missing :)
The view Bottom, Left, Back
(you can make the appropriate rotate objects but it's some painful :)
A work's color by object (when an object is some complex it's some helpful)
(maybe a water color palett ?
(of course layers...patience :)

A "close" surface curve (maybe it's a dream )

An "Hiden function" with Undo (pleaaaase...:) (just one if it's to complicated)
When you have selected 12 objects one by one for hide (or more) and make an error, you must all eselect again ;)

Someone ask me: a "Start curve"+ an "End Curve" along a path ! (very useful !)

Aother thing
About "Sweep" for example : seems better to have the same numbers of control points for the rails !
Is that normal?

Some precisions : What is the status of the "primitive solid"? (Cube, sphere, cylinder...
Are they a "Volume" or a "surfacic" object?
And the Status of Moi ? Surfacic, Volumic, Solid (I suppose not:)
Is it possible to give some stats about a "close" object? (volume, surface...)
An the number of memory avaible for work? (numbers of objects...)

Using MoI with an "old" prog (CadKey :) it's appear that the "IGES" format works fine when
you make that MoI ---> CadKey : "Export" (Selected objects) and not MoI--->CadKey"Save as" (no specific objects selected) IGES file Format

Another thing (maybe a little bug:)
When you save a file format Iges and if the name of this file yet exist in "3dm", you can't save it!
(You must take a new name :)

I have import some Iges files format from CadKey (reduced to a unic layer) to MoI : no problem :)
Iges importation works fine :)

Ps Question : What is the normal process for "filet" this hemi sphere (the circular base) on a plane like in this file?
Hemi sphere + plan don't work
Union sphere + plan work
Hemi sphere (base fase killed) + plan don't work
Union sphere (base fase killed) + plan work !
Pss is it possible to have something for the max filet possible on a curve selected?

Have you somewhere a list of of english terms existing in the interface or menus (a sort of ressource) for an easy french translation?