diff --git a/src/modules/annotate/mod.rs b/src/modules/annotate/mod.rs
index 6ff2016ae..c9e783fc2 100644
--- a/src/modules/annotate/mod.rs
+++ b/src/modules/annotate/mod.rs
@@ -42,7 +42,7 @@ impl CadModule for AnnotateModule {
     }
 
     fn ribbon_groups(&self) -> &[RibbonGroup] {
-        use crate::modules::draw::draw::{revcloud, wipeout};
+        use crate::modules::draw::draw::{centerline, dimcenter, revcloud, wipeout};
 
         static GROUPS: std::sync::OnceLock<Vec<RibbonGroup>> = std::sync::OnceLock::new();
         GROUPS.get_or_init(|| {
@@ -148,6 +148,44 @@ impl CadModule for AnnotateModule {
                         },
                     ],
                 },
+                // ── Centerlines ───────────────────────────────────────────────
+                RibbonGroup {
+                    title: "Centerlines",
+                    tools: vec![
+                        RibbonItem::LargeTool(dimcenter::tool()),
+                        RibbonItem::LargeTool(centerline::tool()),
+                        RibbonItem::Dropdown {
+                            id: "ANNOTATE_CENTER_ASSOCIATIVITY",
+                            icon: crate::modules::IconKind::Svg(include_bytes!(
+                                "../../../assets/icons/line.svg"
+                            )),
+                            items: vec![
+                                (
+                                    "CENTERREASSOCIATE",
+                                    "Reassociate Center Object",
+                                    crate::modules::IconKind::Svg(include_bytes!(
+                                        "../../../assets/icons/line.svg"
+                                    )),
+                                ),
+                                (
+                                    "CENTERDISASSOCIATE",
+                                    "Disassociate Center Object",
+                                    crate::modules::IconKind::Svg(include_bytes!(
+                                        "../../../assets/icons/line.svg"
+                                    )),
+                                ),
+                                (
+                                    "CENTERRESET",
+                                    "Reset Center Object",
+                                    crate::modules::IconKind::Svg(include_bytes!(
+                                        "../../../assets/icons/line.svg"
+                                    )),
+                                ),
+                            ],
+                            default: "CENTERREASSOCIATE",
+                        },
+                    ],
+                },
                 // ── Leaders ──────────────────────────────────────────────────
                 RibbonGroup {
                     title: "Leaders",
diff --git a/src/ui/ribbon/annotation_panel.rs b/src/ui/ribbon/annotation_panel.rs
new file mode 100644
index 000000000..7b0a8839c
--- /dev/null
+++ b/src/ui/ribbon/annotation_panel.rs
@@ -0,0 +1,170 @@
+//! Additional annotation tools reached from the Draw tab's Annotation panel title.
+
+use super::draw_panel::Tool;
+
+pub(super) const TOOLS: &[Tool] = &[
+    Tool {
+        command: "DDEDIT",
+        label: "Edit Text",
+        icon: include_bytes!("../../../assets/icons/ddedit.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "TOLERANCE",
+        label: "Geometric Tolerance",
+        icon: include_bytes!("../../../assets/icons/tolerance.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMALIGNED",
+        label: "Aligned Dimension",
+        icon: include_bytes!("../../../assets/icons/dim_aligned.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMARC",
+        label: "Arc Length Dimension",
+        icon: include_bytes!("../../../assets/icons/dim_angular.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMJOGGED",
+        label: "Jogged Radius Dimension",
+        icon: include_bytes!("../../../assets/icons/dim_jog.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMDIAMETER",
+        label: "Diameter Dimension",
+        icon: include_bytes!("../../../assets/icons/dim_diameter.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMORDINATE",
+        label: "Ordinate Dimension",
+        icon: include_bytes!("../../../assets/icons/dim_ordinate.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "QDIM",
+        label: "Quick Dimension",
+        icon: include_bytes!("../../../assets/icons/qdim.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMCONTINUE",
+        label: "Continue Dimension",
+        icon: include_bytes!("../../../assets/icons/dim_continue.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMBASELINE",
+        label: "Baseline Dimension",
+        icon: include_bytes!("../../../assets/icons/dim_baseline.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMBREAK",
+        label: "Dimension Break",
+        icon: include_bytes!("../../../assets/icons/dim_break.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMEDIT",
+        label: "Edit Dimension",
+        icon: include_bytes!("../../../assets/icons/dim_edit.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMTEDIT",
+        label: "Edit Dimension Text",
+        icon: include_bytes!("../../../assets/icons/dim_tedit.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMSPACE",
+        label: "Adjust Dimension Space",
+        icon: include_bytes!("../../../assets/icons/dim_space.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "DIMJOGLINE",
+        label: "Add or Remove Jog Line",
+        icon: include_bytes!("../../../assets/icons/dim_jog.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "MLEADERADD",
+        label: "Add Leader",
+        icon: include_bytes!("../../../assets/icons/mleader_add.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "MLEADERREMOVE",
+        label: "Remove Leader",
+        icon: include_bytes!("../../../assets/icons/mleader_remove.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "MLEADERALIGN",
+        label: "Align Leaders",
+        icon: include_bytes!("../../../assets/icons/mleader_align.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "MLEADERCOLLECT",
+        label: "Collect Leaders",
+        icon: include_bytes!("../../../assets/icons/mleader_collect.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "WIPEOUT",
+        label: "Wipeout",
+        icon: include_bytes!("../../../assets/icons/wipeout.svg"),
+        options: &[],
+    },
+    Tool {
+        command: "TABLE",
+        label: "Table and Data",
+        icon: include_bytes!("../../../assets/icons/table.svg"),
+        options: &[
+            ("TABLE", "Table"),
+            ("DATALINK", "Link Data"),
+            ("DATAEXTRACTION", "Extract Data"),
+        ],
+    },
+    Tool {
+        command: "CENTERMARK",
+        label: "Center Mark and Line",
+        icon: include_bytes!("../../../assets/icons/line.svg"),
+        options: &[
+            ("CENTERMARK", "Center Mark"),
+            ("CENTERLINE", "Center Line"),
+            ("CENTERREASSOCIATE", "Reassociate Center Object"),
+            ("CENTERDISASSOCIATE", "Disassociate Center Object"),
+            ("CENTERRESET", "Reset Center Object"),
+        ],
+    },
+    Tool {
+        command: "REVCLOUD",
+        label: "Revision Cloud",
+        icon: include_bytes!("../../../assets/icons/revcloud.svg"),
+        options: &[
+            ("REVCLOUD_RECTANGULAR", "Rectangular"),
+            ("REVCLOUD_POLYGONAL", "Polygonal"),
+            ("REVCLOUD_FREEHAND", "Freehand"),
+        ],
+    },
+    Tool {
+        command: "OBJECTSCALE",
+        label: "Annotation Scales",
+        icon: include_bytes!("../../../assets/icons/add_scale.svg"),
+        options: &[
+            ("OBJECTSCALE ADD", "Add Current Scale"),
+            ("OBJECTSCALE DELETE", "Delete Current Scale"),
+            ("OBJECTSCALE", "Add or Delete Scales"),
+            ("SCALELISTEDIT", "Edit Scale List"),
+            ("ANNORESET", "Sync Scale Positions"),
+        ],
+    },
+];
diff --git a/src/ui/ribbon/draw_panel.rs b/src/ui/ribbon/draw_panel.rs
index f2e4677c4..897dd528a 100644
--- a/src/ui/ribbon/draw_panel.rs
+++ b/src/ui/ribbon/draw_panel.rs
@@ -140,6 +140,12 @@ const PANELS: &[Panel] = &[
         title: "Modify",
         tools: super::modify_panel::TOOLS,
     },
+    Panel {
+        id: "annotation_extension",
+        title_id: "annotation_extension_title",
+        title: "Annotation",
+        tools: super::annotation_panel::TOOLS,
+    },
 ];
 
 fn panel_for_dropdown(id: &str) -> Option<Panel> {
diff --git a/src/ui/ribbon/mod.rs b/src/ui/ribbon/mod.rs
index a5eb2ffe3..d57cf6c22 100644
--- a/src/ui/ribbon/mod.rs
+++ b/src/ui/ribbon/mod.rs
@@ -21,6 +21,7 @@ use crate::plugin::all_ribbon_modules;
 use crate::ui::properties::{linetype_display_name, lw_options, LinetypeItem};
 
 mod widgets;
+mod annotation_panel;
 mod draw_panel;
 mod modify_panel;
 use widgets::{StyleContext, *};