3dPrinting :

- migliorie gestione extra shells.

LuaLibs/CalcPaths.lua

@@ -3646,7 +3646,7 @@ local function ReorderExtraShells( nPathGrp, vPtStart, LayerParams)
                elseif dist( ptECurr, ptS) < dVal then
                   -- congiungo start-end
                   bLink = true
-               elseif nCnt == 0 and dist( ptSCurr, ptS) < dVal then
+               elseif nCnt == 0 and nCurrType ~= TYPE.EXTRA_OUTER_SHELL and dist( ptSCurr, ptS) < dVal then
                   -- congiungo start-start
                   EgtInvertCurve( nCurr)
                   UpdateInvertInfo( nCurr)
@@ -3802,7 +3802,7 @@ local function CalcExtraShellsPath( nMaxShellNbrDiff, nShellNbrGrp, nCrvGrpId, d
                            
                            -- verifico se può essere chiusa
                            if not EgtCurveIsClosed( nId) then
-                              if dist( EgtSP( nId), EgtEP( nId)) < dCurrStrand + GEO.EPS_SMALL then
+                              if dLen > dCurrStrand and dist( EgtSP( nId), EgtEP( nId)) < dCurrStrand + GEO.EPS_SMALL then
                                  EgtCloseCurveCompo( nId)
                               end
                            end