From 5b6e886a3c4e28c2df23136f51b6042817ae283e Mon Sep 17 00:00:00 2001
From: mwganson <mwganson@gmail.com>
Date: Tue, 15 Oct 2024 05:53:38 +0000
Subject: [PATCH] [PartDesign DuplicateSelected] do not put duplicated feature
 into active body if it is already in another body -- addresses issue #6278

---
 src/Mod/PartDesign/Gui/CommandBody.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Mod/PartDesign/Gui/CommandBody.cpp b/src/Mod/PartDesign/Gui/CommandBody.cpp
index 8f32f7135d..e822ae4724 100644
--- a/src/Mod/PartDesign/Gui/CommandBody.cpp
+++ b/src/Mod/PartDesign/Gui/CommandBody.cpp
@@ -30,6 +30,7 @@
 #endif
 
 #include <App/Document.h>
+#include <App/GeoFeatureGroupExtension.h>
 #include <App/Origin.h>
 #include <App/Part.h>
 #include <Base/Console.h>
@@ -635,8 +636,12 @@ void CmdPartDesignDuplicateSelection::activated(int iMsg)
 
         for (auto feature : newFeatures) {
             if (PartDesign::Body::isAllowed(feature)) {
-                FCMD_OBJ_CMD(pcActiveBody,"addObject(" << getObjectCmd(feature) << ")");
-                FCMD_OBJ_HIDE(feature);
+                // if feature already is in a body, then we don't put it into the active body issue #6278
+                auto body = App::GeoFeatureGroupExtension::getGroupOfObject(feature);
+                if (!body) {
+                    FCMD_OBJ_CMD(pcActiveBody,"addObject(" << getObjectCmd(feature) << ")");
+                    FCMD_OBJ_HIDE(feature);
+                }
             }
         }