Hi Burr, thanks I received the file in e-mail.
It looks like your model all checks out - what parameters were you using with the file that triggered the non-manifold warning?
It's possible that they may not like getting super teeny-tiny microscopic polygons.
I would suggest using the following 3 settings indicated by the arrows:
Probably don't go too overboard with the angle setting, the spheres there are getting pretty dense with an angle of 6.
Then the other thing that can be good is to put in a distance in "Divide larger than" to break up any longer polygons into some smaller bits, if you have larger sized triangles that span a distance across the model sometimes those will kind of show up more in the result. So breaking them down by length can also be good to add in there.
You want a to put in a distance in "Divide larger than" that is about roughly 1/20 the overall size of your object.
I gave the above parameters a test with shapeways and it seems to check out.
It looks like a fun thing to fire off a few different things for printing...
- Michael
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