Although I love SI in general It seems to me that modeling is a rather neglected area in SI. The more I use it the more I dislike it. This seems odd to me as it's the first step in most projects and if a project is started in one package (SI, Maya, Max or whatever) it is probably more likely to stay in that system the rest of the way. I'm hoping it will get some attention in the near future.
As a new user I really love some aspects of modeling in SI like the interactivity, the operator stack etc. but there are some REALLY glaring holes that came as a shock to me when I started. I still use other programs for some simple things which is disappointing. Here's a few very basic examples:
Draw Primitives - I can't draw a box, ball or whatever where I want it? Really? I couldn't believe that. Take a look at LW or Modo on how to do this correctly.
Revolve - I need to make some threads on a bolt so I'll just select a polygon and revolve it a few times with a transform and...what? Can't do that? Can't revolve an edge or polygon, have to convert to a curve? Why? No translate/scale/rotate? What? Extrude has it, why not revolve? Inconsistency like this is frustrating.
Extrude - I'd like to extrude some polys and leave the current ones in place to make a solid object. I can extrude OR duplicate polys but not both? Seriously?! This is pretty basic.
Thickness - No command for shell/thickness, I have to go find a plugin?
Duplicate multiple - I'd like to take a rivet and duplicate it a 100 times or so with some transform but it's not interactive?! I have to guess/pre-calculate the spacing and if it's not right, do it again? This is so unlike the rest of SI.
These are pretty simple things that have been in other packages for 15+ years. Cleaning up stuff like this would go a LONG way to making SI an outstanding modeler that people would enjoy using I think.
As a new user I'm blown away by how great the rest of SI is but less than thrilled with modeling as you can tell. It's probably fine for organic characters but some of us need to do mechanical and architectural things from time to time.
Here's hoping for some development in this area. Comments most welcome and please point out if I'm wrong or missing something on these tools.