One important step in blender is to press Ctrl-A, select “Rotation & Scale”, and make sure all 3 tickboxes are selected before exporting, usually fixes most of the major bugs with the model glitching out.
One important step in blender is to press Ctrl-A, select “Rotation & Scale”, and make sure all 3 tickboxes are selected before exporting, usually fixes most of the major bugs with the model glitching out.