I wonder if this can be squeezed—
into my 'old 100cc Honda, out in the storage Room ?

_______________

The detail on this is very impressive, especially on the finned vertical cone thingies (sorry, I don't know enough about engines to know what they are).


I've never heard of Inventor and therefore don't know what kind of files it outputs, but many years ago there used to be a freeware program called bCAD that could import all kinds of different 3D files and then export them in other formats; I haven't used it in a long time though and don't know if it's still around, or if it actually would be helpful to you for this.

_______________

Excellent modeling!!!

_______________
It's not what you look like, when you're doing what you're doing;
It's what you're doing, when you're doing what it looks like you're doing.

Amazing!

_______________
Here we go!