If your lightmap UV’s are split where those artifacts are showing up then that’s likely the cause, it probably can’t smooth the lightmap across a separate UV islands. You’d need to have lightmap UV’s where lightmap seams aren’t in places like that.
If your lightmap UV’s are split where those artifacts are showing up then that’s likely the cause, it probably can’t smooth the lightmap across a separate UV islands. You’d need to have lightmap UV’s where lightmap seams aren’t in places like that.