I would like the same functionality to be illustrated using the ArcRotation Camera instead of the Free camera that was using the orthographic mode.
Hello!
What do you exactly mean? By changing the camera to ArcRotateCamera the scene behaves the same.
like this, also i don’t want to be using orthographic mode
So you just want to retain the borders around the model after you resize the window?
What if you rotate the model? Do you want to zoom out the camera so the model is fully visible + retain the borders?
i would like the model to always be visible and centered when resizing the screen. I have posted a video above. I need this done using the arc rotation camera because i just find it easy to use. Think of it like an invisible frame i set at the start and maintain the shape
Surprisingly easy to achieve 
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lucky you 
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