diff --git a/helper_post b/helper_post
new file mode 100755
index 0000000..32e5ffd
--- /dev/null
+++ b/helper_post
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+. variables.inc.sh
+
+[ -e /home/pi/klipper ] && {
+    su - pi -c "cd /home/pi/klipper \
+        && git pull \
+    "
+    :
+} || {
+    su - pi -c "cd /home/pi \
+        && git clone --depth=1 $GITEA_BASE/klipper.git \
+        && (cd klipper && git config pull.rebase false) \
+        && ./klipper/scripts/install-octopi.sh \
+    "
+}
+install -m644 -o 0 -g 0 $ConfigsHome/etc/default/klipper /etc/default/klipper
+
+systemctl enable klipper 2>/dev/null
+systemctl disable octoprint 2>/dev/null
+systemctl restart klipper 2>/dev/null &
diff --git a/helper_pre b/helper_pre
new file mode 100755
index 0000000..194ab8d
--- /dev/null
+++ b/helper_pre
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+. variables.inc.sh
+
+[ "$configsHome" = "$ConfigsHome" ] || \
+    echo "Custom ConfigsHome: $ConfigsHome"
+
+set -x
+
+git config pull.rebase false
+
+[ -e "$ConfigsHome" ] && {
+    (cd "$ConfigsHome" \
+    && git pull \
+    )
+    :
+} || {
+    git clone "$GITEA_BASE/octopi_configs.git" "$ConfigsHome"
+    (cd "$ConfigsHome" && git config pull.rebase false)
+}
+
+mkdir -p /home/pi/printer_hw
+chown -R 0:0 /home/pi/printer_hw
+
+mkdir -p /home/pi/.klippy
+chown pi:pi /home/pi/.klippy
+
+install -m440 -o 0 -g 0 $ConfigsHome/etc/sudoers.d/010_pi-nopasswd /etc/sudoers.d/010_pi-nopasswd
+
+[ -e /home/pi/.octoprint/plugins/OctoprintKlipperPlugin ] && {
+    bash -c 'cd /home/pi/.octoprint/plugins/OctoprintKlipperPlugin \
+        && git pull \
+    '
+    :
+} || {
+    bash -c "cd /home/pi/.octoprint/plugins \
+        && git clone --depth=1 $GITEA_BASE/OctoprintKlipperPlugin.git \
+        && (cd OctoprintKlipperPlugin && git config pull.rebase false) \
+    "
+}
+
+SCREEN_URI="$GITEA_BASE/3diyscreen-klip-tek/releases/download/latest/3dscreen.zip"
+SCREEN_PATH=/home/pi/3dscreen
+SCREEN_ARCHIVE=/home/pi/3dscreen.zip
+
+[ -e /home/pi/3dscreen ] || { \
+    rm -rf "$SCREEN_PATH" "$SCREEN_ARCHIVE" \
+    && wget "$SCREEN_URI" -O "$SCREEN_ARCHIVE" \
+    && mkdir -p "$SCREEN_PATH" \
+    && (cd "$SCREEN_PATH" \
+    && unzip -q "$SCREEN_ARCHIVE" \
+    ) \
+    && echo "3dscreen: `cat $SCREEN_PATH/version`"
+}
+
+[ -e /home/pi/3dscreen.settings.json ] || \
+    install -m644 -o 0 -g 0 $ConfigsHome/home/pi/3dscreen.settings.json /home/pi/3dscreen.settings.json
+
+[ -e /home/pi/3dscreen.custom.config.js ] || \
+    touch /home/pi/3dscreen.custom.config.js
diff --git a/install b/install
index 6392f4a..ecd2c5b 100755
Binary files a/install and b/install differ
diff --git a/install_helper b/install_helper
deleted file mode 100755
index 6a0836a..0000000
Binary files a/install_helper and /dev/null differ
diff --git a/variables.inc.sh b/variables.inc.sh
new file mode 100755
index 0000000..f397bc0
--- /dev/null
+++ b/variables.inc.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+GITEA_BASE="https://app.3diy.ru:9999/3diy"
+HomePi="/home/pi"
+SetupHome="$HomePi/.setup"
+InstallHome="$PWD"
+configsHome="$SetupHome/cfg"
+ConfigsHome=${MY_ConfigsHome:-$configsHome}