diff --git a/Writerside/d.tree b/Writerside/d.tree
index 8174ca5..af81b47 100644
--- a/Writerside/d.tree
+++ b/Writerside/d.tree
@@ -17,6 +17,7 @@
     <toc-element toc-title="Odroid">
         <toc-element topic="Change-kernel-version.md"/>
     </toc-element>
+    <toc-element topic="Use-ODROID-STAMPER.md"/>
     <toc-element toc-title="About">
     </toc-element>
 </instance-profile>
\ No newline at end of file
diff --git a/Writerside/topics/Use-ODROID-STAMPER.md b/Writerside/topics/Use-ODROID-STAMPER.md
new file mode 100644
index 0000000..95a6d15
--- /dev/null
+++ b/Writerside/topics/Use-ODROID-STAMPER.md
@@ -0,0 +1,116 @@
+# Use ODROID-STAMPER
+
+[`odroid-stamper`](https://github.com/tobetter/odroid-stamper) is Odroid Image Generation Tool.
+
+## Basic usage
+```Bash
+sudo apt install git wget dialog pv lynx qemu-user-static\
+ dialog rsync squashfs-tools uuid-runtime
+ 
+git clone https://github.com/tobetter/odroid-stamper.git
+cd odroid-stamper
+export ODROID_STAMPER_CHECKOUT=$PWD
+sudo -E ./odroid-stamper
+```
+
+```Plain Text
+ ODROID-STAMPER
+┌───────────────────────Custom Ubuntu Recipe─────────────────────────┐
+│ Please customize the installation.                                 │
+│ ┌────────────────────────────────────────────────────────────────┐ │
+│ │                  0  Target ()                                  │ │
+│ │                  1  Board ()                                   │ │
+│ │                  2  Distro (focal)                             │ │
+│ │                  3  Flavour (server)                           │ │
+│ │                  4  Default user                               │ │
+│ │                  5  Password of default user                   │ │
+│ └────────────────────────────────────────────────────────────────┘ │
+├────────────────────────────────────────────────────────────────────┤
+│             <  OK  >       < Done >       <Cancel>                 │
+└────────────────────────────────────────────────────────────────────┘
+```
+Once you select the board and other settings you want, the image will be built.
+
+## In the command line
+```Bash
+$ ./odroid-stamper --help
+Usage: odroid-stamper [--help] [--output=<path>] [--live]
+
+    --help: this help message
+    --output=<path>: output directory for image files.
+    --iso: build target OS image as ISO format.
+    --live: enforce to build live boot system image.
+    --compress: compress the final OS image using 'xz'.
+    --keep-builddir: prevent removing temporary directory
+                     after building an image.
+    --kernel: kernel package name to use
+    --linuxfactory: alternative server IP address of 'ppa.linuxfactory.or.kr'
+
+```
+
+You can use it from the command line as below.
+```Bash
+export ODROID_STAMPER_CHECKOUT=$PWD
+sudo -E ./odroid-stamper --compress --board=odroidm2 --distro=focal\
+ --flavour=server --username=odroid --password=odroid
+```
+
+## Use custom
+If you want to add the packages you want during odroid-stamper operation, Use custom directory.
+
+For example, if you want build `custom/npu` image, use command below.
+```Bash
+export ODROID_STAMPER_CHECKOUT=$PWD
+sudo -E ./odroid-stamper --custom=npu
+```
+
+Custom/npu is structured as follows.
+
+- config
+- fixups
+- overlay
+- packages
+
+### config
+`config` Defines the default settings for the image.
+```Plain Text
+BOARD=odroidm1
+ARCH=arm64
+DISTRO=focal
+FLAVOUR=gnome-desktop
+DEFAULT_USER=odroid
+DEFAULT_PASSWD=odroid
+ALLOW_ROOT_LOGIN=false
+```
+You can override it on the command line.
+
+```Bash
+export ODROID_STAMPER_CHECKOUT=$PWD
+sudo -E ./odroid-stamper --custom=npu --board=odroidm2 --distro=noble
+```
+
+### package
+`package` is a list of packages to be installed during image generation.
+
+```Plain Text
+cmake
+g++
+git
+libopencv-dev
+librga-dev
+python3-dev
+python3-pip
+python3-venv
+python3.9
+python3.9-dev
+python3.9-venv
+```
+
+### fixup
+The script in the `fixup` directory is executed during image generation.
+It also runs the fixup script located in the `custom/npu/fixup` directory.
+
+### overlay
+The file to add based on the `/` path.
+`custom/etc/udev/rules.d/99-odroid-video.rules` file will be copied in `/etc/udev/rules.d/99-odroid-video.rules`
+