So I made my first model from scratch. I used cloning to make a simple, symmetrical, bow. I merged all the objects into one polymesh when I was done. But when i export it (dummyroot selected) it doesnt show up in the msh viewer. I did check sel and it showed that I had bad faces.

Pictures:
http://imgur.com/a/t11JG

How can I fix this?

Modify, Poly Mesh, Triangulate. With model selected of course.

That fixed the bad face error, but I still can not see my model after another export. Does there have to be only 1 object for the mesh? Because when I try to delete the objects I merged from (to create the polymesh) it also deletes the polymesh.

Did you freeze your mesh's operator stack? With the model selected, go to Edit, Operator, Freeze Operator Stack.

Ok now I have the polymsh object by itself. But after I exported it again I still cannot see it in the msh viewer.

What does the hierarchy look like in XSI?

http://imgur.com/0Ba54CM

dummyroot
-hp_fire
-polymsh

Are you branch selecting your dummy root before exporting? (To branch select, middle-click the model.)

Yes I have been doing that the whole time. I think ZEtools does it for you anyway.

Do you have a texture applied to your model? It shouldn't be absolutely required, but it's always worth a shot.

No I don't. I am just expecting to see a blank white model like always.

Does it at least show up in-game?

I haven't tried that yet. I figure it will be the same. I will try that right now.

EDIT: What the heck. It showed up ingame! That is really weird. Well I guess my topic is solved. You da man Marth!

Great to hear. If you're lucky, it'll show up in the viewer when a texture/material is applied.