diff --git a/.gitmodules b/.gitmodules
index d4fba2b..672c354 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -31,3 +31,6 @@
 [submodule "CMSceneGraph"]
 	path = CMSceneGraph
 	url = https://github.com/hyzboy/CMSceneGraph.git
+[submodule "MeshConv"]
+	path = MeshConv
+	url = https://github.com/hyzboy/MeshConv.git
diff --git a/CMPlatform b/CMPlatform
index 984d969..17b14af 160000
--- a/CMPlatform
+++ b/CMPlatform
@@ -1 +1 @@
-Subproject commit 984d9698ef873a08f0c99579e8a9b4bf15e5ce5f
+Subproject commit 17b14af957b057de41e00752df9e9e58cf970eec
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cd432e8..5e264ce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,6 +32,7 @@ if(CM_BUILD_TOOLS)
 
     add_subdirectory(TexConv)
     add_subdirectory(ShaderMaker)
+    add_subdirectory(MeshConv)
 endif(CM_BUILD_TOOLS)
 
 OPTION(CM_BUILD_EXAMPLES    OFF)
diff --git a/MathGeoLib b/MathGeoLib
index 47599c7..35058b7 160000
--- a/MathGeoLib
+++ b/MathGeoLib
@@ -1 +1 @@
-Subproject commit 47599c77c46034c1cd78dbb93ba5f5495c27b185
+Subproject commit 35058b7f881c2a2ad00bf21c083aa88a70277864
diff --git a/MeshConv b/MeshConv
new file mode 160000
index 0000000..13827d9
--- /dev/null
+++ b/MeshConv
@@ -0,0 +1 @@
+Subproject commit 13827d9c37c416e6eb400a1d2df28d35f426b77d
diff --git a/TexConv b/TexConv
index 1d4e7c3..acc6457 160000
--- a/TexConv
+++ b/TexConv
@@ -1 +1 @@
-Subproject commit 1d4e7c3412a982bdc1885d16ba1c1b75923dfd8e
+Subproject commit acc64579f4a03d4af9df0b979d2b75591482e89d