scripts/startup/bl_ui/properties_object.py

@@ -81,6 +81,10 @@ class OBJECT_PT_transform(ObjectButtonsPanel, Panel):
         row.use_property_decorate = False
         row.prop(ob, "lock_scale", text="", emboss=False, icon='DECORATE_UNLOCKED')
 
+        col = layout.column()
+        row = col.row(align=True)
+        row.prop(ob, "dimensions")
+        row.use_property_decorate = False
 
 class OBJECT_PT_delta_transform(ObjectButtonsPanel, Panel):
     bl_label = "Delta Transform"

source/blender/blenkernel/intern/object.cc

@@ -3647,6 +3647,12 @@ void BKE_object_dimensions_set_ex(Object *ob,
         }
       }
     }
+
+    /* Reset the bounds, so will get the new ones*/
+    ob->runtime->bounds_eval.reset();
+
+    /* calculate local matrix so when getting bounds the scale match  */
+    BKE_object_to_mat4(ob, ob->object_to_world);
   }
 }
 

source/blender/makesrna/intern/rna_object.cc

@@ -1244,6 +1244,7 @@ static void rna_Object_dimensions_set(PointerRNA *ptr, const float *value)
 {
   Object *ob = static_cast<Object *>(ptr->data);
   BKE_object_dimensions_set(ob, value, 0);
+
 }
 
 static int rna_Object_location_editable(PointerRNA *ptr, int index)
@@ -3245,11 +3246,8 @@ static void rna_def_object(BlenderRNA *brna)
   RNA_def_property_float_funcs(
       prop, "rna_Object_dimensions_get", "rna_Object_dimensions_set", nullptr);
   RNA_def_property_ui_range(prop, 0.0f, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
-  RNA_def_property_ui_text(prop,
-                           "Dimensions",
-                           "Absolute bounding box dimensions of the object.\n"
-                           "Warning: Assigning to it or its members multiple consecutive times "
-                           "will not work correctly, as this needs up-to-date evaluated data");
+  RNA_def_property_ui_text(
+    prop, "Dimensions", "Absolute bounding box dimensions of the object.");
   RNA_def_property_update(prop, NC_OBJECT | ND_TRANSFORM, "rna_Object_internal_update");
 
   /* delta transforms */