diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 73c686a..9b090cc 100755
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -67,7 +67,7 @@ jobs:
           fi
 
           # App-Code-Änderungen, die einen echten Deploy benötigen
-          if grep -E '^(frontend/|backend/)' changed-files.txt \
+          if grep -E '^(frontend/|backend/|update(-frontend|-backend)?\.sh$|update\.sh$|deploy-yourpart-bluegreen\.sh$|falukant-models\.env$)' changed-files.txt \
             | grep -Ev "$COURSE_SCRIPT_PATTERN" >/dev/null; then
             echo "app_changed=true" >> "$GITHUB_OUTPUT"
           else
diff --git a/update-frontend.sh b/update-frontend.sh
index ceffcb5..d53360a 100755
--- a/update-frontend.sh
+++ b/update-frontend.sh
@@ -7,6 +7,7 @@ FRONTEND_DIR="$TARGET_DIR/frontend"
 CURRENT_LINK="/opt/yourpart"
 CURRENT_FRONTEND="$CURRENT_LINK/frontend"
 CURRENT_ROOT_ENV="$CURRENT_LINK/.env"
+MODELS_MANIFEST="$TARGET_DIR/falukant-models.env"
 
 echo "=== YourPart Frontend Update ==="
 echo "Ziel: $FRONTEND_DIR"
@@ -54,14 +55,36 @@ echo "VITE_CHAT_WS_URL=$VITE_CHAT_WS_URL"
 echo "Installiere Dependencies..."
 npm install
 
+if [ ! -f "$MODELS_MANIFEST" ]; then
+    echo "ERROR: Falukant model manifest missing: $MODELS_MANIFEST" >&2
+    exit 1
+fi
+
+# Source GLBs are versioned as a Gitea release attachment rather than Git
+# objects, keeping routine clones and deployments small.
+# shellcheck disable=SC1090
+source "$MODELS_MANIFEST"
+: "${FALUKANT_MODELS_URL:?Falukant model URL is missing}"
+: "${FALUKANT_MODELS_SHA256:?Falukant model checksum is missing}"
+
+MODELS_ARCHIVE="$(mktemp /tmp/falukant-models-XXXXXX.tar.gz)"
+trap 'rm -f "$TEMP_ENV" "$MODELS_ARCHIVE"' EXIT
+
+echo "Lade Falukant-3D-Modelle (${FALUKANT_MODELS_URL})..."
+curl --fail --location --retry 3 --retry-delay 2 \
+    --output "$MODELS_ARCHIVE" "$FALUKANT_MODELS_URL"
+echo "${FALUKANT_MODELS_SHA256}  ${MODELS_ARCHIVE}" | sha256sum --check --status
+
+echo "Entpacke Falukant-3D-Modelle..."
+rm -rf "$FRONTEND_DIR/models-src/3d/falukant"
+tar -xzf "$MODELS_ARCHIVE" -C "$TARGET_DIR"
+
 echo "Optimiere Falukant-3D-Modelle..."
 npm run optimize-models
 
 echo "Baue Frontend..."
 npm run build
 
-rm -f "$TEMP_ENV"
-
 if [ -f "$FRONTEND_DIR/.env" ]; then
     echo "✓ Bestehende .env-Datei wurde beibehalten"
 else