diff --git a/io_scene_fbx/export_fbx_bin.py b/io_scene_fbx/export_fbx_bin.py index 228d993f744a6e54c9cf1a9805618bd54b72dd50..16ff3ba7b68bc9e3eadbeed2275d1139770e3486 100644 --- a/io_scene_fbx/export_fbx_bin.py +++ b/io_scene_fbx/export_fbx_bin.py @@ -1101,7 +1101,8 @@ def fbx_data_mesh_elements(root, me_obj, scene_data, done_meshes): me.polygons.foreach_get("material_index", t_pm) # We have to validate mat indices, and map them to FBX indices. - blmats_to_fbxmats_idxs = [me_fbxmats_idx[m] for m in me_blmats] + # Note a mat might not be in me_fbxmats_idx (e.g. node mats are ignored). + blmats_to_fbxmats_idxs = [me_fbxmats_idx[m] for m in me_blmats if m in me_fbxmats_idx] mat_idx_limit = len(blmats_to_fbxmats_idxs) def_mat = blmats_to_fbxmats_idxs[0] _gen = (blmats_to_fbxmats_idxs[m] if m < mat_idx_limit else def_mat for m in t_pm)