diff --git a/plugins/printedparts/api/routes.py b/plugins/printedparts/api/routes.py
index 61d5d6b..988035c 100644
--- a/plugins/printedparts/api/routes.py
+++ b/plugins/printedparts/api/routes.py
@@ -17,6 +17,7 @@ from shopdb.api import (
     ErrorCodes,
     get_pagination_params,
     paginate_query,
+    require_permission,
 )
 
 from ..models import PrintedItem
@@ -95,6 +96,7 @@ def _mint_itemcode(item):
 
 @printedparts_bp.route('/items', methods=['POST'])
 @jwt_required()
+@require_permission('printedparts.create')
 def create_item():
     """Create a printed item; the itemcode is minted from the row id."""
     data = request.get_json() or {}
@@ -124,6 +126,7 @@ def create_item():
 
 @printedparts_bp.route('/items/<int:item_id>', methods=['PUT'])
 @jwt_required()
+@require_permission('printedparts.edit')
 def update_item(item_id: int):
     """Update catalog fields. Quantity moves ONLY through the ledger."""
     item = db.session.get(PrintedItem, item_id)
@@ -144,6 +147,7 @@ def update_item(item_id: int):
 
 @printedparts_bp.route('/items/<int:item_id>', methods=['DELETE'])
 @jwt_required()
+@require_permission('printedparts.delete')
 def delete_item(item_id: int):
     """Soft-retire an item; its ledger history stays."""
     item = db.session.get(PrintedItem, item_id)
@@ -159,6 +163,7 @@ def delete_item(item_id: int):
 
 @printedparts_bp.route('/items/<int:item_id>/image', methods=['POST'])
 @jwt_required()
+@require_permission('printedparts.edit')
 def upload_item_image(item_id: int):
     """Upload (or replace) the photo for an item (multipart file=<image>)."""
     item = db.session.get(PrintedItem, item_id)
@@ -195,6 +200,7 @@ def serve_item_image(filename):
 
 @printedparts_bp.route('/items/<int:item_id>/image', methods=['DELETE'])
 @jwt_required()
+@require_permission('printedparts.delete')
 def delete_item_image(item_id: int):
     """Clear an item image; delete the file only if this plugin owns it."""
     item = db.session.get(PrintedItem, item_id)
@@ -238,6 +244,7 @@ def _ledger_write(item, transactiontype, quantitychange, sso, name, reason=None)
 
 @printedparts_bp.route('/items/<int:item_id>/restock', methods=['POST'])
 @jwt_required()
+@require_permission('printedparts.restock')
 def restock_item(item_id: int):
     """Add freshly printed stock. Body: {quantity, badge}."""
     item = db.session.get(PrintedItem, item_id)
@@ -260,6 +267,7 @@ def restock_item(item_id: int):
 
 @printedparts_bp.route('/items/<int:item_id>/adjust', methods=['POST'])
 @jwt_required()
+@require_permission('printedparts.restock')
 def adjust_item(item_id: int):
     """Correct the count (damage, recount). Body: {quantitychange, reason, badge}."""
     item = db.session.get(PrintedItem, item_id)
diff --git a/plugins/printedparts/plugin.py b/plugins/printedparts/plugin.py
index e62b30c..c90dc3a 100644
--- a/plugins/printedparts/plugin.py
+++ b/plugins/printedparts/plugin.py
@@ -51,6 +51,17 @@ class PrintedpartsPlugin(BasePlugin):
     def init_app(self, app: Flask, db_instance) -> None:
         logger.info(f'Printedparts plugin initialized (v{self.meta.version})')
 
+    def get_permissions(self) -> List:
+        """RBAC permissions this plugin owns (seeded on install/enable)."""
+        return [
+            ('printedparts.view', 'View 3D printed parts', 'printedparts'),
+            ('printedparts.create', 'Create printed parts', 'printedparts'),
+            ('printedparts.edit', 'Edit printed parts', 'printedparts'),
+            ('printedparts.delete', 'Retire printed parts', 'printedparts'),
+            ('printedparts.restock', 'Restock and adjust stock counts',
+             'printedparts'),
+        ]
+
     def get_navigation_items(self) -> List[dict]:
         return [
             {
diff --git a/tests/test_plugins/test_printedparts_ledger.py b/tests/test_plugins/test_printedparts_ledger.py
index 21f4e55..81fa7db 100644
--- a/tests/test_plugins/test_printedparts_ledger.py
+++ b/tests/test_plugins/test_printedparts_ledger.py
@@ -119,3 +119,12 @@ def test_anonymous_cannot_mutate(client, item):
                        json={'itemname': 'X'}).status_code == 401
     assert client.post(f'/api/printedparts/items/{item}/restock',
                        json={'quantity': 1, 'badge': '1'}).status_code == 401
+
+
+def test_member_without_permission_gets_403(client, member_headers, item):
+    """Authentication alone is not authorization: a role-less user is denied."""
+    assert client.post('/api/printedparts/items', json={'itemname': 'X'},
+                       headers=member_headers).status_code == 403
+    assert client.post(f'/api/printedparts/items/{item}/restock',
+                       json={'quantity': 1, 'badge': '1'},
+                       headers=member_headers).status_code == 403