diff --git a/3DIrregularBodyTest/cave.mph b/3DIrregularBodyTest/cave.mph
new file mode 100644
index 0000000..3f90ebd
Binary files /dev/null and b/3DIrregularBodyTest/cave.mph differ
diff --git a/3DIrregularBodyTest/cave2m.ply b/3DIrregularBodyTest/cave2m.ply
new file mode 100644
index 0000000..752fd6d
Binary files /dev/null and b/3DIrregularBodyTest/cave2m.ply differ
diff --git a/3DIrregularBodyTest/cave6m.ply b/3DIrregularBodyTest/cave6m.ply
new file mode 100644
index 0000000..2226260
Binary files /dev/null and b/3DIrregularBodyTest/cave6m.ply differ
diff --git a/3DIrregularBodyTest/cave_test.m b/3DIrregularBodyTest/cave_test.m
new file mode 100644
index 0000000..80c0916
--- /dev/null
+++ b/3DIrregularBodyTest/cave_test.m
@@ -0,0 +1,17 @@
+%A karst cave model is constructed from the point cloud data
+
+%Extract the contour of point cloud data
+ptCloud2Curve;
+
+%3D model initialization
+Comsol_with_Matlab_Start;
+import com.comsol.model.util.*
+model = ModelUtil.create('Model1');% ModelUtil.remove('Model');
+model.modelNode.create('mod1');
+model.geom.create('geom1', 3);
+model.mesh.create('mesh1', 'geom1');
+data_dir = pwd ;
+
+%Constructed Irregular 3D volumes from 2D contour curves
+model = lofting(model,data_dir);
+mphsave(model,'cave');
\ No newline at end of file
diff --git a/3DIrregularBodyTest/curve_01.txt b/3DIrregularBodyTest/curve_01.txt
new file mode 100644
index 0000000..188bb19
--- /dev/null
+++ b/3DIrregularBodyTest/curve_01.txt
@@ -0,0 +1,210 @@
+% Model:    Tunnel.mph 
+% Version:  COMSOL 
+% Date:     May 2023 
+% Dimension:      3 
+% Nodes:100 
+% Elements:100 
+% Expressions:     1 
+% Description:        Contour 
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diff --git a/3DIrregularBodyTest/curve_02.txt b/3DIrregularBodyTest/curve_02.txt
new file mode 100644
index 0000000..f45d375
--- /dev/null
+++ b/3DIrregularBodyTest/curve_02.txt
@@ -0,0 +1,210 @@
+% Model:    Tunnel.mph 
+% Version:  COMSOL 
+% Date:     May 2023 
+% Dimension:      3 
+% Nodes:100 
+% Elements:100 
+% Expressions:     1 
+% Description:        Contour 
+% Coordinates 
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diff --git a/3DIrregularBodyTest/curve_03.txt b/3DIrregularBodyTest/curve_03.txt
new file mode 100644
index 0000000..88c8ff0
--- /dev/null
+++ b/3DIrregularBodyTest/curve_03.txt
@@ -0,0 +1,210 @@
+% Model:    Tunnel.mph 
+% Version:  COMSOL 
+% Date:     May 2023 
+% Dimension:      3 
+% Nodes:100 
+% Elements:100 
+% Expressions:     1 
+% Description:        Contour 
+% Coordinates 
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diff --git a/3DIrregularBodyTest/curve_04.txt b/3DIrregularBodyTest/curve_04.txt
new file mode 100644
index 0000000..c8a23ed
--- /dev/null
+++ b/3DIrregularBodyTest/curve_04.txt
@@ -0,0 +1,210 @@
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diff --git a/3DIrregularBodyTest/curve_05.txt b/3DIrregularBodyTest/curve_05.txt
new file mode 100644
index 0000000..694abfb
--- /dev/null
+++ b/3DIrregularBodyTest/curve_05.txt
@@ -0,0 +1,210 @@
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diff --git a/3DIrregularBodyTest/curve_06.txt b/3DIrregularBodyTest/curve_06.txt
new file mode 100644
index 0000000..4eae629
--- /dev/null
+++ b/3DIrregularBodyTest/curve_06.txt
@@ -0,0 +1,210 @@
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diff --git a/3DIrregularBodyTest/curve_07.txt b/3DIrregularBodyTest/curve_07.txt
new file mode 100644
index 0000000..87f2b95
--- /dev/null
+++ b/3DIrregularBodyTest/curve_07.txt
@@ -0,0 +1,210 @@
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diff --git a/3DIrregularBodyTest/curve_08.txt b/3DIrregularBodyTest/curve_08.txt
new file mode 100644
index 0000000..69ed3a6
--- /dev/null
+++ b/3DIrregularBodyTest/curve_08.txt
@@ -0,0 +1,210 @@
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diff --git a/3DIrregularBodyTest/curve_09.txt b/3DIrregularBodyTest/curve_09.txt
new file mode 100644
index 0000000..2fdc977
--- /dev/null
+++ b/3DIrregularBodyTest/curve_09.txt
@@ -0,0 +1,210 @@
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diff --git a/3DIrregularBodyTest/curve_10.txt b/3DIrregularBodyTest/curve_10.txt
new file mode 100644
index 0000000..5bfaf97
--- /dev/null
+++ b/3DIrregularBodyTest/curve_10.txt
@@ -0,0 +1,210 @@
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+% Version:  COMSOL 
+% Date:     May 2023 
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+% Description:        Contour 
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