I’ve been able to use the tangent space in Fabric Engine, as can be seen here: https://vimeo.com/103717638
Is there really no one who knows why Maya seems to be acting up when trying similar techniques through the Maya API? 
I’ve been able to use the tangent space in Fabric Engine, as can be seen here: https://vimeo.com/103717638
Is there really no one who knows why Maya seems to be acting up when trying similar techniques through the Maya API?