hei, im pretty noobish with nif tools but im trying to fix my mod into SE and one armor piece is invisible ingame but all other pieces works, just the wing bits doesnt i managed to fix almost all except 3 nif files im stuck at tangent space errors it cant use the normal maps due to this the model show up fine in nifskope 2.0.0 pre alpha 5 could i please have some help fixing the 3 files?