diff --git a/addons/material_maker/nodes/material_3d.mmg b/addons/material_maker/nodes/material_3d.mmg
index 76fe95feb..b53837dbb 100644
--- a/addons/material_maker/nodes/material_3d.mmg
+++ b/addons/material_maker/nodes/material_3d.mmg
@@ -507,7 +507,7 @@
 		],
 		"preview_shader": [
 			"shader_type spatial;",
-			"render_mode blend_mix,depth_draw_alpha_prepass,cull_back,diffuse_burley,specular_schlick_ggx;",
+			"render_mode blend_mix,depth_prepass_alpha,cull_back,diffuse_burley,specular_schlick_ggx;",
 			"",
 			"varying vec3 texcoords_3d;",
 			"",
@@ -515,7 +515,7 @@
 			"",
 			"void vertex() {",
 			"$if $(param:world)",
-			"\ttexcoords_3d = (vec4(VERTEX, 1.0)*WORLD_MATRIX).xyz;",
+			"\ttexcoords_3d = (vec4(VERTEX, 1.0)*MODEL_MATRIX).xyz;",
 			"$else",
 			"\ttexcoords_3d = VERTEX;",
 			"$fi",
diff --git a/material_maker/main_window.gd b/material_maker/main_window.gd
index ebc9b44ab..8e8c6a17b 100644
--- a/material_maker/main_window.gd
+++ b/material_maker/main_window.gd
@@ -744,12 +744,11 @@ func edit_select_connected(end1 : String, end2 : String) -> void:
 	var node_list : Array = []
 	for n in graph_edit.get_selected_nodes():
 		node_list.push_back(n.name)
-	print(node_list)
 	while !node_list.is_empty():
 		var new_node_list = []
 		for c in graph_edit.get_connection_list():
 			if c[end1] in node_list:
-				var source = graph_edit.get_node(c[end2])
+				var source = graph_edit.get_node(NodePath(c[end2]))
 				if !source.selected:
 					new_node_list.push_back(c[end2])
 					source.selected = true
@@ -760,14 +759,14 @@ func edit_select_sources_is_disabled() -> bool:
 	return graph_edit == null or graph_edit.get_selected_nodes().is_empty()
 
 func edit_select_sources() -> void:
-	edit_select_connected("to", "from")
+	edit_select_connected("to_node", "from_node")
 
 func edit_select_targets_is_disabled() -> bool:
 	var graph_edit : MMGraphEdit = get_current_graph_edit()
 	return graph_edit.get_selected_nodes().is_empty() if graph_edit else true
 
 func edit_select_targets() -> void:
-	edit_select_connected("from", "to")
+	edit_select_connected("from_node", "to_node")
 
 func edit_duplicate_is_disabled() -> bool:
 	return edit_cut_is_disabled()
diff --git a/material_maker/main_window_layout.gd b/material_maker/main_window_layout.gd
index fa50dd959..7b913b7bb 100644
--- a/material_maker/main_window_layout.gd
+++ b/material_maker/main_window_layout.gd
@@ -50,7 +50,8 @@ func load_panels() -> void:
 func save_config() -> void:
 	var current_config : Dictionary = $FlexibleLayout.serialize()
 	for mode in [ "material", "paint" ]:
-		mm_globals.config.set_value("layout", mode, JSON.stringify(layout[mode]))
+		if layout.has(mode):
+			mm_globals.config.set_value("layout", mode, JSON.stringify(layout[mode]))
 
 func get_panel(n) -> Control:
 	if panels.has(n):
diff --git a/material_maker/panels/preview_3d/preview_3d.gd b/material_maker/panels/preview_3d/preview_3d.gd
index faf2d47d7..301ce8768 100644
--- a/material_maker/panels/preview_3d/preview_3d.gd
+++ b/material_maker/panels/preview_3d/preview_3d.gd
@@ -98,7 +98,7 @@ func _on_Model_item_selected(id) -> void:
 		dialog.access = FileDialog.ACCESS_FILESYSTEM
 		dialog.file_mode = FileDialog.FILE_MODE_OPEN_FILE
 		for f in MMMeshLoader.get_file_dialog_filters():
-			dialog.add_filter()
+			dialog.add_filter(f)
 		if mm_globals.config.has_section_key("path", "mesh"):
 			dialog.current_dir = mm_globals.config.get_value("path", "mesh")
 		var files = await dialog.select_files()