diff --git a/LuaLibs/ProcessDtTenon.lua b/LuaLibs/ProcessDtTenon.lua
index d8339ad..c93b963 100644
--- a/LuaLibs/ProcessDtTenon.lua
+++ b/LuaLibs/ProcessDtTenon.lua
@@ -209,7 +209,15 @@ function ProcessDtTenon.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
             local CutProc = { Id = AddId, Grp = Proc.Grp, Prc = Proc.Prc, Box = Proc.Box, Fct = Proc.Fct, Flg = Proc.Flg,
                               Head = Proc.Head, Tail = Proc.Tail, CutId = Proc.CutId, TaskId = Proc.TaskId, PartId = Proc.PartId}
             CutProc.AffectedFaces = BL.GetProcessAffectedFaces( CutProc)
-            local bFromBottom = ( b3Solid:getDimX() < BD.LEN_SHORT_PART and vtExtr:getZ() > 0.25)
+            
+            -- se esiste grezzo successivo non serve tagliare dal basso
+            local bFromBottom
+            local nNextRawId = EgtGetNextRawPart( nRawId)
+            if nNextRawId and EgtGetRawPartBBox( nNextRawId):getDimX() > BD.MinRaw and not Proc.Tail then
+               bFromBottom = false
+            else
+               bFromBottom = ( b3Solid:getDimX() < BD.LEN_SHORT_PART and vtExtr:getZ() > 0.25)
+            end
             local bOk, sErr = Cut.Make( CutProc, nPhase, nRawId, nPartId, dOvmHead, bFromBottom)
             if not bOk then return bOk, sErr end
          end