diff --git a/LuaLibs/CalcToolPath.lua b/LuaLibs/CalcToolPath.lua
index d46eb9b..2aa4406 100644
--- a/LuaLibs/CalcToolPath.lua
+++ b/LuaLibs/CalcToolPath.lua
@@ -15,7 +15,8 @@ local AMD = require( 'AddManData')
 ---------------------------------------------------------------------
 local function GetLayerParamsForToolPathCalc()
    local nParamsGrp = EgtGetFirstNameInGroup( GDB_ID.ROOT, PARAMS_GRP)
-   local LayerParams = {}     
+   local LayerParams = {}    
+   LayerParams.dStrand = EgtGetInfo( nParamsGrp, KEY_STRAND, 'd')
    LayerParams.dLayHeight = EgtGetInfo( nParamsGrp, KEY_SLICE_STEP, 'd')
    LayerParams.bInvert = EgtGetInfo( nParamsGrp, KEY_PRINT_DIRECTION, 'b')
    LayerParams.nOrder = EgtGetInfo( nParamsGrp, KEY_PRINT_ORDER, 'i')
@@ -147,28 +148,31 @@ function CalcToolPath.Exec( nPartId)
          local nPrevId = EgtGetFirstInGroup( nTpathGrpId)
          local nCurrId = EgtGetNext( nPrevId or GDB_ID.NULL)
          local k = 0
-         while nCurrId do            
-            local nLinkId
-            EgtTrimCurveEndAtLen( nPrevId, EgtCurveLength( nPrevId) - k * LayerParams.LinkDist)
-            k = k + 1
-            EgtChangeClosedCurveStartPoint( nCurrId, EgtEP( nPrevId))
-
-            if LayerParams.LinkType == LINK_TYPE.LINEAR then  
-               EgtTrimCurveEndAtLen( nPrevId, EgtCurveLength( nPrevId) - LayerParams.LinkParam / 2)
-               EgtTrimCurveStartAtLen( nCurrId, LayerParams.LinkParam / 2)
-               nLinkId = EgtLine( nTpathGrpId, EgtEP( nPrevId), EgtSP( nCurrId))
-            else
-               EgtTrimCurveEndAtLen( nPrevId, EgtCurveLength( nPrevId) - LayerParams.LinkParam / 2)
-               EgtTrimCurveStartAtLen( nCurrId, LayerParams.LinkParam / 2)
-               local _, _, dAngIni = SphericalFromVector( EgtEV( nPrevId))
-               local _, _, dAngFin = SphericalFromVector( EgtSV( nCurrId))
-               nLinkId = EgtBiArc( nTpathGrpId, EgtEP( nPrevId), EgtSP( nCurrId), dAngIni, dAngFin, 0.5)
-            end
-            EgtRelocate( nLinkId, nCurrId, GDB_IN.BEFORE)
-            EgtModifyCurveExtrusion( nLinkId, Z_AX(), GDB_RT.GLOB)
-            local nType = EgtGetInfo( nCurrId, KEY_TYPE, 'i')
-            EgtSetInfo( nLinkId, KEY_TYPE, TYPE.LINK)
-            nPrevId = nCurrId
+         while nCurrId do  
+            -- verifico se ha senso creare link
+            if abs( dist( EgtEP( nPrevId), EgtSP( nCurrId))) <  LayerParams.dStrand + 10 then   
+               local nLinkId
+               EgtTrimCurveEndAtLen( nPrevId, EgtCurveLength( nPrevId) - k * LayerParams.LinkDist)
+               k = k + 1
+               EgtChangeClosedCurveStartPoint( nCurrId, EgtEP( nPrevId))
+   
+               if LayerParams.LinkType == LINK_TYPE.LINEAR then  
+                  EgtTrimCurveEndAtLen( nPrevId, EgtCurveLength( nPrevId) - LayerParams.LinkParam / 2)
+                  EgtTrimCurveStartAtLen( nCurrId, LayerParams.LinkParam / 2)
+                  nLinkId = EgtLine( nTpathGrpId, EgtEP( nPrevId), EgtSP( nCurrId))
+               else
+                  EgtTrimCurveEndAtLen( nPrevId, EgtCurveLength( nPrevId) - LayerParams.LinkParam / 2)
+                  EgtTrimCurveStartAtLen( nCurrId, LayerParams.LinkParam / 2)
+                  local _, _, dAngIni = SphericalFromVector( EgtEV( nPrevId))
+                  local _, _, dAngFin = SphericalFromVector( EgtSV( nCurrId))
+                  nLinkId = EgtBiArc( nTpathGrpId, EgtEP( nPrevId), EgtSP( nCurrId), dAngIni, dAngFin, 0.5)
+               end
+               EgtRelocate( nLinkId, nCurrId, GDB_IN.BEFORE)
+               EgtModifyCurveExtrusion( nLinkId, Z_AX(), GDB_RT.GLOB)
+               local nType = EgtGetInfo( nCurrId, KEY_TYPE, 'i')
+               EgtSetInfo( nLinkId, KEY_TYPE, TYPE.LINK)                          
+            end 
+            nPrevId = nCurrId    
             nCurrId = EgtGetNext( nCurrId)
          end