Update: I probably start with one tileset texture first that contains all stones at once (without copies). All stones (42) would fit in a single 6x7 flipbook and would have enough details with a 2k texture.
Update: I probably start with one tileset texture first that contains all stones at once (without copies). All stones (42) would fit in a single 6x7 flipbook and would have enough details with a 2k texture.