orels1 · June 13, 2021 22:37 · Jun 13, 2021
diff --git a/batch_unwrap.py b/batch_unwrap.py
@@ -0,0 +1,56 @@
+import bpy
+bl_info = {
+    "name": "Batch Smart Unwrap",
+    "description": "Unwraps all the selected objects one by one using Smart UV Project.",
+    "author": "orels1 and Calo on blender StackExchange",
+    "version": (1, 0),
+    "blender": (2, 90, 0),
+    "category": "Object",
+}
+
+
+class BatchSmartUnwrap(bpy.types.Operator):
+    """Batch Smart Unwrapper"""
+    bl_idname = "object.batch_smart_unwrap"
+    bl_label = "Smart Unwrap Selected Objects"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    def execute(self, context):
+        selection_names = []
+
+        for obj in bpy.context.selected_objects:
+            if obj.type == 'MESH':
+                selection_names.append(obj)
+                obj.select_set(False)
+
+        if selection_names != []:
+            for obj in selection_names:
+                bpy.context.view_layer.objects.active = obj
+                if len(obj.data.uv_layers) == 0:
+                    uv = obj.data.uv_layers.new(name="UVMap")
+                    uv.active = True
+                bpy.ops.object.editmode_toggle()
+                bpy.ops.mesh.select_all(action='SELECT')
+                bpy.ops.uv.smart_project(angle_limit=66.0, island_margin=0.2,
+                                         area_weight=0.0, correct_aspect=True, scale_to_bounds=False)
+                bpy.ops.object.editmode_toggle()
+        print(f"Smart Unwrapped {len(selection_names)} objects")
+        return {'FINISHED'}
+
+
+def menu_func(self, context):
+    self.layout.operator(BatchSmartUnwrap.bl_idname)
+
+
+def register():
+    bpy.utils.register_class(BatchSmartUnwrap)
+    # Adds the new operator to an existing menu.
+    bpy.types.VIEW3D_MT_object.append(menu_func)
+
+
+def unregister():
+    bpy.utils.unregister_class(BatchSmartUnwrap)
+
+
+if __name__ == "__main__":
+    register()
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