Hi, how can I export stl files in higher resolution? The dgn files that I export to stl files is not perfect round but instead small lines put together in a circle?

Hi all. i try to make an animation and have a little pb of camera or other... so a simple camera that is move along a path (obj : extra large) and a door open on the path. on the view all is ok, the door open when i came. when i calculate…