diff --git a/PVPlantEarthWorks.py b/PVPlantEarthWorks.py
index 5fc0dd9..e135e59 100644
--- a/PVPlantEarthWorks.py
+++ b/PVPlantEarthWorks.py
@@ -688,6 +688,7 @@ class EarthWorksTaskPanel:
             land.trim(pts, 1)
 
             tmp = []
+            shp = Part.Shape()
             for face in sh.Faces:
                 wire = face.Wires[0].copy()
                 pl = wire.Placement.Base
@@ -697,8 +698,10 @@ class EarthWorksTaskPanel:
                     # Caso simple
                     wire = wire.makeOffset2D(10000, 0, False, False, True)
                     wire.Placement.Base.z = wire.Placement.Base.z - 10000
-                    wire = wire.makeFillet(1, wire.Edges)
-                    tmp.append(Part.makeLoft([face.Wires[0], wire], True, True, False))
+                    top = wire.makeOffset2D(1, 0, False, False, True)
+                    loft = Part.makeLoft([top, wire], True, True, False)
+                    tmp.append(loft)
+                    shp = shp.fuse(loft)
                 else:
                     # Caso complejo:
                     vertices = face.Vertexes
@@ -711,14 +714,16 @@ class EarthWorksTaskPanel:
                     for tri in triangles:
                         # Crear wire triangular
                         wire = Part.makePolygon([v.Point for v in tri] + [tri[0].Point])
-                        # Hacer offset (ahora es coplanar por ser triángulo)
                         wire = wire.makeOffset2D(10000, 0, False, False, True)
                         wire.Placement.Base.z = wire.Placement.Base.z - 10000
-                        wire = wire.makeFillet(1, wire.Edges)
-                        tmp.append(Part.makeLoft([face.Wires[0], wire], True, True, False))
+                        top = wire.makeOffset2D(1, 0, False, False, True)
+                        loft = Part.makeLoft([top, wire], True, True, False)
+                        tmp.append(loft)
+                        shp = shp.fuse(loft)
 
             final_tool = Part.makeCompound(tmp)
             Part.show(final_tool, "tool")
+            Part.show(shp)
 
             FreeCAD.ActiveDocument.commitTransaction()
             self.closeForm()
diff --git a/Project/Area/PVPlantArea.py b/Project/Area/PVPlantArea.py
index 9b342ba..f541820 100644
--- a/Project/Area/PVPlantArea.py
+++ b/Project/Area/PVPlantArea.py
@@ -357,7 +357,7 @@ class OffsetArea(_Area):
         import Utils.PVPlantUtils as utils
 
         base = obj.Base.Shape
-        land = PVPlantSite.get().Terrain.mesh
+        land = PVPlantSite.get().Terrain.Mesh
         vec = FreeCAD.Vector(0, 0, 1)
         wire = utils.getProjected(base, vec)
         wire = wire.makeOffset2D(obj.OffsetDistance.Value, 2, False, False, True)