diff --git a/LuaLibs/CalcSlices.lua b/LuaLibs/CalcSlices.lua
index cc2b76a..1ef79d2 100644
--- a/LuaLibs/CalcSlices.lua
+++ b/LuaLibs/CalcSlices.lua
@@ -20,7 +20,7 @@ local function GetSliceStep()
 end
 
 ---------------------------------------------------------------------
-function CalcSlices.Exec( nPartId, nStmId)
+function CalcSlices.Exec( nPartId, nStmId, HMax)
 
    local dTol = 0.1
 
@@ -35,6 +35,7 @@ function CalcSlices.Exec( nPartId, nStmId)
    -- Parametri di slicing
    local dZmin = b3Box:getMin():getZ()
    local dZmax = b3Box:getMax():getZ()
+   dZmax = min( dZmax, dZmin + HMax)
    --dZmin = 1030
    --dZmax = 1031
 
@@ -130,9 +131,9 @@ function CalcSlices.Exec( nPartId, nStmId)
             EgtApproxCurve( nNewId + nPntCnt + nInd, GDB_CA.ARCS, dTol)
          end   
          local nSurfFR = EgtSurfFlatRegion( nLayId, vCrvs)
-         --for nInd = 1, #vCrvs do
-         --   EgtErase( vCrvs[nInd])
-         --end
+         for nInd = 1, #vCrvs do
+            EgtErase( vCrvs[nInd])
+         end
    
          if nSurfFR then 
             -- analizzo i singoli chunks
diff --git a/LuaLibs/RunGcodeGenerate.lua b/LuaLibs/RunGcodeGenerate.lua
index e636e13..72ad585 100644
--- a/LuaLibs/RunGcodeGenerate.lua
+++ b/LuaLibs/RunGcodeGenerate.lua
@@ -71,7 +71,7 @@ function RunGcodeGenerate.Exec()
    -- Aggiungo la lavorazione
    EgtSetCurrMachGroup()
 
-   local nMchId = EgtAddMachining( 'Extrusion 1', 'ExtrusionA')
+   local nMchId = EgtAddMachining( 'Extrusion 1', 'Extrusion')
    if not nMchId then
       EgtOutBox( 'Error adding Extrusion', 'GcodeGenerate')
       return
diff --git a/LuaLibs/RunMachiningParamCalc.lua b/LuaLibs/RunMachiningParamCalc.lua
index 498734f..2dcdc6a 100644
--- a/LuaLibs/RunMachiningParamCalc.lua
+++ b/LuaLibs/RunMachiningParamCalc.lua
@@ -26,9 +26,10 @@ function RunMachiningParamCalc.Exec()
    local dStrand = EgtGetInfo( nParamsGrp, KEY_STRAND, 'd')
    local sMaterial = EgtGetInfo( nParamsGrp, KEY_MATERIAL)
 
-   local sMachiningPath = EgtGetStringFromIni( '3dPrinting', 'ParamFile', "", EgtGetIniFile())
-   local dCoeffX = tonumber( EgtGetStringFromIni( DEFAULT_SECTION, KEY_COEFF_X, 0, sMachiningPath))
-   local dCoeffY = tonumber( EgtGetStringFromIni( DEFAULT_SECTION, KEY_COEFF_Y, 0, sMachiningPath))
+   local sMachIni = EgtGetCurrMachineDir() .. '\\' .. EgtGetCurrMachineName() .. '.ini'
+   local dCoeffX = tonumber( EgtGetStringFromIni( '3dPrinting', 'CoeffX', 0, sMachIni))
+   local dCoeffY = tonumber( EgtGetStringFromIni( '3dPrinting', 'CoeffY', 0, sMachIni))
+
    local sCalcBaseDir = EgtGetStringFromIni( '3dPrinting', 'BaseDir', 'C:\\ProgramData\\Egaltech\\EgtCam5\\3dPrinting', EgtGetIniFile())
    local sCurrProjectPath = EgtGetCurrFilePath()
    local sResultFile = EgtChangePathExtension( sCurrProjectPath, '.csv')
diff --git a/LuaLibs/RunPartPositioning.lua b/LuaLibs/RunPartPositioning.lua
index 3faf875..9cd6adb 100644
--- a/LuaLibs/RunPartPositioning.lua
+++ b/LuaLibs/RunPartPositioning.lua
@@ -1,4 +1,4 @@
--- RunPartPositioning.lua by Egaltech s.r.l. 2022/04/11
+-- RunPartPositioning.lua by Egaltech s.r.l. 2022/04/13
 -- Gestione calcolo disposizione e lavorazioni per stampa 3d
 -- 2022/03/21 Creazione file
 
@@ -79,7 +79,7 @@ function RunPartPositioning.Exec()
       EgtSetName( nTabOutlineId, TABLE_OUTLINE)
       local nTabSurfId = EgtSurfFlatRegion( nTabLayer, nTabOutlineId)
       EgtSetName( nTabSurfId, TABLE_SURFACE)
-      EgtSetColor( nTabSurfId, 'ORANGE')
+      EgtSetColor( nTabSurfId, 'GRAY')
       EgtSetAlpha( nTabSurfId, 70)
    end
 
diff --git a/LuaLibs/RunSlicing.lua b/LuaLibs/RunSlicing.lua
index e1b6de9..c39d4eb 100644
--- a/LuaLibs/RunSlicing.lua
+++ b/LuaLibs/RunSlicing.lua
@@ -61,7 +61,7 @@ local function LoadParams( sFile, nPartId)
    local sStrandDirection = EgtGetStringFromIni( DEFAULT_SECTION, KEY_PRINT_DIRECTION, 'CCW', sFile)
    if sStrandDirection == 'CW' then
       EgtSetInfo( nParamsGrp, KEY_PRINT_DIRECTION, PRINT_DIRECTION.CW)
-   else  -- CCW 
+   else                 -- 'CCW'
       EgtSetInfo( nParamsGrp, KEY_PRINT_DIRECTION, PRINT_DIRECTION.CCW)
    end
 
@@ -87,16 +87,16 @@ local function LoadParams( sFile, nPartId)
    SetParamInfo( sFile, nParamsGrp, DEFAULT_SECTION, KEY_G0_FEED, '0.0')  
    SetParamInfo( sFile, nParamsGrp, DEFAULT_SECTION, KEY_MATERIAL, '')   
    
-   local sLeadInType = EgtGetStringFromIni( DEFAULT_SECTION, KEY_LEAD_IN_TYPE, 'arc', sFile)
-   if sLeadInType == 'linear' then
+   local sLeadInType = EgtGetStringFromIni( DEFAULT_SECTION, KEY_LEAD_IN_TYPE, 'Arc', sFile)
+   if sLeadInType == 'Linear' then
       EgtSetInfo( nParamsGrp, KEY_LEAD_IN_TYPE, LEAD_TYPE.LINEAR)
    else  
       EgtSetInfo( nParamsGrp, KEY_LEAD_IN_TYPE, LEAD_TYPE.ARC)
    end
    SetParamInfo( sFile, nParamsGrp, DEFAULT_SECTION, KEY_LEAD_IN_TANG_DIST, '0.0')  
    SetParamInfo( sFile, nParamsGrp, DEFAULT_SECTION, KEY_LEAD_IN_ORTHO_DIST, '0.0')
-   local sLeadOutType = EgtGetStringFromIni( DEFAULT_SECTION, KEY_LEAD_OUT_TYPE, 'arc', sFile)
-   if sLeadOutType == 'linear' then
+   local sLeadOutType = EgtGetStringFromIni( DEFAULT_SECTION, KEY_LEAD_OUT_TYPE, 'Arc', sFile)
+   if sLeadOutType == 'Linear' then
       EgtSetInfo( nParamsGrp, KEY_LEAD_OUT_TYPE, LEAD_TYPE.LINEAR)
    else  
       EgtSetInfo( nParamsGrp, KEY_LEAD_OUT_TYPE, LEAD_TYPE.ARC)
@@ -147,8 +147,12 @@ function RunSlicing.Exec()
    -- Lettura dei parametri 
    LoadParams( sParamFile, nPartId)
 
+   -- Lettura dati macchina
+   local sMachIni = EgtGetCurrMachineDir() .. '\\' .. EgtGetCurrMachineName() .. '.ini'
+   local HMax = tonumber( EgtGetStringFromIni( '3dPrinting', 'HMax', 500, sMachIni))
+
    -- Calcolo delle fette
-   CSLICES.Exec( nPartId, nStmId)
+   CSLICES.Exec( nPartId, nStmId, HMax)
    EgtDraw()
 
    -- Calcolo dei percorsi sul centro strand in basso
diff --git a/Machinings/Params.ini b/Machinings/Params.ini
index fb30ecc..b4f0c56 100644
--- a/Machinings/Params.ini
+++ b/Machinings/Params.ini
@@ -9,6 +9,7 @@ Direction=CCW
 LinkType=sPath
 LinkParam=10.0
 LinkDist=0
+LinkZup=10.0
 OffsetLeadPoint=10
 LeadIn=arc
 LeadInTangDist=20
@@ -21,5 +22,4 @@ Speed=
 Feed=4500
 G0Feed=10000
 Material=B461
-CoeffX=-8.68
-CoeffY=12.4865
+
diff --git a/Machinings/Params3.ini b/Machinings/Params3.ini
deleted file mode 100644
index 185f0ee..0000000
--- a/Machinings/Params3.ini
+++ /dev/null
@@ -1,37 +0,0 @@
-[Default]
-StrandH=40.0
-StrandW=6.0
-StrandCount=3
-Offset=2.0
-StartingPoint=0,-300
-StrandOrder=in
-Direction=CCW
-LinkType=sPath
-LinkParam=10.0
-FloorCount=2
-Speed=
-Feed=4500
-G0Feed=10000
-Material=B461
-CoeffX=-8.68
-CoeffY=12.4865
-
-[LayerX]
-StrandH=1
-StrandW=8
-StrandCount=3
-Offset=2
-StartingPoint=(x,y)
-StrandOrder=in/out
-Direction=CW/CCW
-LinkType=straight/sPath
-LinkParam=5
-FloorCount=2
-Speed=
-ExtFeed=
-IntFeed=
-InfillFeed=
-LeadInFeed=
-LeadOutFeed=
-SupportFeed=
-G0Feed=
diff --git a/Materials/B461.csv b/Materials/B461.csv
index 116186b..134bfb2 100644
--- a/Materials/B461.csv
+++ b/Materials/B461.csv
@@ -1,26 +1,27 @@
 Larghezza strand W [mm];Passo Z [mm];Tempo minimo [sec] ;Tempo massimo [sec]
-1;"1";"10";"25"
-2;"1";"14";"28"
-3;"1";"16";"30"
-4;"1";"18";"40"
-5;"1";"20";"50"
-6;"1";"25";"52"
-7;"1";"30";"55"
-8;"1";"32";"60"
-9;"1";"36";"65"
-10;"1";"38";"70"
-11;"1";"40";"75"
-12;"1";"44";"80"
-1;"1.2";"11";"26"
-2;"1.2";"15";"29"
-3;"1.2";"17";"31"
-4;"1.2";"19";"41"
-5;"1.2";"21";"51"
-6;"1.2";"26";"53"
-7;"1.2";"31";"56"
-8;"1.2";"33";"61"
-9;"1.2";"37";"66"
-10;"1.2";"39";"71"
-11;"1.2";"41";"76"
-12;"1.2";"45";"81"
-6;"2";"60";"100"
\ No newline at end of file
+1;1;10;25
+2;1;14;28
+3;1;16;30
+4;1;18;40
+5;1;20;50
+6;1;25;52
+7;1;30;55
+8;1;32;60
+9;1;36;65
+10;1;38;70
+11;1;40;75
+12;1;44;80
+1;1.2;11;26
+2;1.2;15;29
+3;1.2;17;31
+4;1.2;19;41
+5;1.2;21;51
+6;1.2;26;53
+7;1.2;31;56
+8;1.2;33;61
+9;1.2;37;66
+10;1.2;39;71
+11;1.2;41;76
+12;1.2;45;81
+6;2;60;100
+18;5;90;150