the trouble usually come from the miss matched normals (when you stitch in the geometry this is not an issue) at the seam. for example.... the cyinder on the right has the normals at the seam edited to be the same as the plane.
Hi! Its my first time posting here so sorry for any format issues. Anyways, to the point of the post. Just a quick background, I studied Games Design at University for 3 years and one of my classes was 3D. I have been using 3DS Max for 3 years and although I have made some models and environments I am happy with, I feel…