diff --git a/LuaLibs/CalcSlices.lua b/LuaLibs/CalcSlices.lua
index 754c69d..e39075f 100644
--- a/LuaLibs/CalcSlices.lua
+++ b/LuaLibs/CalcSlices.lua
@@ -297,7 +297,7 @@ function CalcSlices.Exec( nPartId, nStmId, HMax)
 
    -- costanti
    local TOLER = 0.2 
-   local SMALL_TOLER = 0.5
+   local SMALL_TOLER = 0.02   -- da portare a 0.5
    local BIG_TOLER = 2.0
    local MIN_LEN = 20.0
    local MIN_AREA = 25.0
diff --git a/LuaLibs/CalcToolPath.lua b/LuaLibs/CalcToolPath.lua
index 5293ba3..c26e0f8 100644
--- a/LuaLibs/CalcToolPath.lua
+++ b/LuaLibs/CalcToolPath.lua
@@ -1,4 +1,4 @@
--- CalcToolPath.lua by Egaltech s.r.l. 2022/08/29
+-- CalcToolPath.lua by Egaltech s.r.l. 2022/09/21
 -- Calcolo percorsi di lavoro per Stampa 3d
 
 -- Tabella per definizione modulo
@@ -313,7 +313,7 @@ local function VerifyRibsLink( nLinkId, nCurr, nNext, dStrand)
 end
 
 --------------------------------------------------------------------
-local function CalcRibsLink( nCurr, nNext, nLoopGrp, dStrand, bForceLink)
+local function CalcRibsLink( nCurr, nNext, nLoopGrp, dStrand, bForceLink, vtSlicing)
    
    local ptS = EgtEP( nCurr)
    local ptE = EgtSP( nNext)
@@ -383,6 +383,7 @@ local function CalcRibsLink( nCurr, nNext, nLoopGrp, dStrand, bForceLink)
       local bValid = VerifyRibsLink( nLinkId, nCurr, nNext, dStrand)
       if bValid then
          EgtSetInfo( nLinkId, KEY_TYPE, TYPE.RIB)
+         EgtModifyCurveExtrusion( nLinkId, vtSlicing, GDB_RT.GLOB)
          EgtRelocateGlob( nLinkId, nCurr, GDB_IN.AFTER)
       else 
          EgtErase( nLinkId)
@@ -763,15 +764,15 @@ local function CalcRibsToolPath( nCrvGrp, nTpathGrpId, LayerParams, dCorrZ)
    -- collego le passate di una stessa costolatura
    for i = 1, #tabRibs do
       for j = 1, #tabRibs[i] - 1 do
-         CalcRibsLink( tabRibs[i][j], tabRibs[i][j + 1], nLoopGrp, LayerParams.dStrand, true)
+         CalcRibsLink( tabRibs[i][j], tabRibs[i][j + 1], nLoopGrp, LayerParams.dStrand, true, LayerParams.vtSlicing)
          if not bSpecialCase then
             -- creo link fittizio per eliminare tratto corrispondente sulla curva di offset
-            local nFakeLink = CalcRibsLink( tabRibs[i][j + 1], tabRibs[i][j], nLoopGrp, LayerParams.dStrand, false)
+            local nFakeLink = CalcRibsLink( tabRibs[i][j + 1], tabRibs[i][j], nLoopGrp, LayerParams.dStrand, false, LayerParams.vtSlicing)
             EgtErase( nFakeLink)
          end
       end
       if bSpecialCase then
-         local nFakeLink = CalcRibsLink( tabRibs[i][#tabRibs[i]], tabRibs[i][1], nLoopGrp, LayerParams.dStrand, false)
+         local nFakeLink = CalcRibsLink( tabRibs[i][#tabRibs[i]], tabRibs[i][1], nLoopGrp, LayerParams.dStrand, false, LayerParams.vtSlicing)
          EgtErase( nFakeLink)
       end     
    end
@@ -779,7 +780,7 @@ local function CalcRibsToolPath( nCrvGrp, nTpathGrpId, LayerParams, dCorrZ)
    if LayerParams.bRibsLink then
       for i = 1, #tabRibs - 1 do
          local nCnt = #tabRibs[i]
-         CalcRibsLink( tabRibs[i][nCnt], tabRibs[i + 1][1], nLoopGrp, LayerParams.dStrand, false)
+         CalcRibsLink( tabRibs[i][nCnt], tabRibs[i + 1][1], nLoopGrp, LayerParams.dStrand, false, LayerParams.vtSlicing)
       end
    end