diff --git a/__pycache__/vr4life_engine.cpython-311.pyc b/__pycache__/vr4life_engine.cpython-311.pyc
index cdb7984..f2b3e19 100644
Binary files a/__pycache__/vr4life_engine.cpython-311.pyc and b/__pycache__/vr4life_engine.cpython-311.pyc differ
diff --git a/vr4life_engine.py b/vr4life_engine.py
index 5246cf2..9350cd1 100644
--- a/vr4life_engine.py
+++ b/vr4life_engine.py
@@ -48,8 +48,35 @@ def attach_grouped_objects(ui, from_auto=False):
     ui.pb.setFormat("Fundindo grupos inteiros...")
     QtWidgets.QApplication.processEvents()
     ms = """(
-        local act = 0; local new_objs = #(); local orig_sel = selection as array; local loose = for o in orig_sel where not isGroupHead o and not isGroupMember o collect o; local heads = for o in orig_sel where isGroupHead o collect o
-        for h in heads do ( local valid_cg = for c in h.children where superclassof c == GeometryClass and classof c != TargetObject collect c; if valid_cg.count > 0 do ( local b = valid_cg[1]; if not isKindOf b Editable_Poly do try(convertToPoly b)catch(); if isKindOf b Editable_Poly do ( for i = 2 to valid_cg.count do ( local n = valid_cg[i]; if not isKindOf n Editable_Poly do try(convertToPoly n)catch(); if isKindOf n Editable_Poly do try(polyOp.attach b n)catch() ); b.name = h.name; setGroupMember b false; append new_objs b; act += 1 ) ); try(delete h)catch() )
+        fn hasProtectedName nd = (
+            local nm = toLower nd.name
+            if (matchPattern nm pattern:"*_mult*") or (matchPattern nm pattern:"*_catg*") or (matchPattern nm pattern:"*_mat*") do return true
+            for c in nd.children do ( if hasProtectedName c do return true )
+            return false
+        )
+        local act = 0; local new_objs = #(); local orig_sel = selection as array; 
+        local loose = for o in orig_sel where not isGroupHead o and not isGroupMember o collect o; 
+        local heads = for o in orig_sel where isGroupHead o and not (hasProtectedName o) collect o
+        
+        for h in heads do ( 
+            local valid_cg = for c in h.children where superclassof c == GeometryClass and classof c != TargetObject collect c
+            if valid_cg.count > 0 do ( 
+                local b = valid_cg[1]
+                if not isKindOf b Editable_Poly do try(convertToPoly b)catch()
+                if isKindOf b Editable_Poly do ( 
+                    for i = 2 to valid_cg.count do ( 
+                        local n = valid_cg[i]
+                        if not isKindOf n Editable_Poly do try(convertToPoly n)catch()
+                        if isKindOf n Editable_Poly do try(polyOp.attach b n)catch() 
+                    )
+                    b.name = h.name
+                    setGroupMember b false
+                    append new_objs b
+                    act += 1 
+                ) 
+            )
+            try(delete h)catch() 
+        )
         local final_sel = loose; for no in new_objs do append final_sel no; if final_sel.count > 0 do select final_sel; act
     )"""
     try:
@@ -64,7 +91,29 @@ def attach_grouped_objects(ui, from_auto=False):
 def super_attach_objects(ui, from_auto=False):
     ui.pb.setFormat("Super Solda VR...")
     QtWidgets.QApplication.processEvents()
-    ms = """( local sel = for o in selection where superclassof o == GeometryClass and classof o != TargetObject collect o; if sel.count > 1 do ( local b = sel[1]; if not isKindOf b Editable_Poly do try(convertToPoly b)catch(); if isKindOf b Editable_Poly do ( for i = 2 to sel.count do ( local n = sel[i]; if not isKindOf n Editable_Poly do try(convertToPoly n)catch(); if isKindOf n Editable_Poly do try(polyOp.attach b n)catch() ); b.name = uniqueName "VR_Bloco_Fundido"; select b ) ); sel.count )"""
+    ms = """( 
+        fn hasProtectedName nd = (
+            local nm = toLower nd.name
+            if (matchPattern nm pattern:"*_mult*") or (matchPattern nm pattern:"*_catg*") or (matchPattern nm pattern:"*_mat*") do return true
+            for c in nd.children do ( if hasProtectedName c do return true )
+            return false
+        )
+        local sel = for o in selection where superclassof o == GeometryClass and classof o != TargetObject and not (hasProtectedName o) collect o
+        if sel.count > 1 do ( 
+            local b = sel[1]
+            if not isKindOf b Editable_Poly do try(convertToPoly b)catch()
+            if isKindOf b Editable_Poly do ( 
+                for i = 2 to sel.count do ( 
+                    local n = sel[i]
+                    if not isKindOf n Editable_Poly do try(convertToPoly n)catch()
+                    if isKindOf n Editable_Poly do try(polyOp.attach b n)catch() 
+                )
+                b.name = uniqueName "VR_Bloco_Fundido"
+                select b 
+            ) 
+        )
+        sel.count 
+    )"""
     try:
         act = rt.execute(ms)
         load_selection(ui)
@@ -389,7 +438,7 @@ def process_bake_logic(ui, auto_export=False):
                         $.INodeBakeProperties.addBakeElement be
                         $.INodeBakeProperties.bakeEnabled = true
                         $.INodeBakeProperties.bakeChannel = 3
-                        render rendertype:#bakeSelected vfb:true quiet:true outputfile:fileOut
+                        render rendertype:#bakeSelected vfb:true quiet:true production:true outputfile:fileOut
                         return 1
                     )
                     try ( doBake "{t_rnd_id}" {cr} {cr} "{ext}" {str(i_cor).lower()} {str(u_den).lower()} "{el}" ) catch ( 0 )