Importing models

[Neurological]

Don't know if anyone tried this yet but I'm trying to import some models but got a problem.

In the model viewer the model get all stretched out or doesn't appear. I tried to export the model with different settings on the collada exporter in 3dsmax 2009, but nothing changes, there is any particular procedure to make the model export correctly?

I tried also to import amnesia models and 3dsmax just refuse to do it, so I can't look at the original models.

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Nevermind, the 3dsmax built in collada exporter is bugged, downloaded the plugin one and ti works god.