diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index e01e1dbbe..c266c41d0 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -3624,6 +3624,7 @@ wxDEFINE_EVENT(EVT_GLCANVAS_RIGHT_CLICK, Vec2dEvent);
 wxDEFINE_EVENT(EVT_GLCANVAS_MODEL_UPDATE, SimpleEvent);
 wxDEFINE_EVENT(EVT_GLCANVAS_REMOVE_OBJECT, SimpleEvent);
 wxDEFINE_EVENT(EVT_GLCANVAS_ARRANGE, SimpleEvent);
+wxDEFINE_EVENT(EVT_GLCANVAS_QUESTION_MARK, SimpleEvent);
 wxDEFINE_EVENT(EVT_GLCANVAS_INCREASE_INSTANCES, Event<int>);
 wxDEFINE_EVENT(EVT_GLCANVAS_INSTANCE_MOVED, SimpleEvent);
 wxDEFINE_EVENT(EVT_GLCANVAS_WIPETOWER_MOVED, Vec3dEvent);
@@ -4777,6 +4778,8 @@ void GLCanvas3D::on_char(wxKeyEvent& evt)
                 case 43: { post_event(Event<int>(EVT_GLCANVAS_INCREASE_INSTANCES, +1)); break; }
                 // key -
                 case 45: { post_event(Event<int>(EVT_GLCANVAS_INCREASE_INSTANCES, -1)); break; }
+                // key ?
+                case 63: { post_event(SimpleEvent(EVT_GLCANVAS_QUESTION_MARK)); break; }
                 // key A/a
                 case 65:
                 case 97: { post_event(SimpleEvent(EVT_GLCANVAS_ARRANGE)); break; }
diff --git a/src/slic3r/GUI/GLCanvas3D.hpp b/src/slic3r/GUI/GLCanvas3D.hpp
index 08368a131..d4449aa7a 100644
--- a/src/slic3r/GUI/GLCanvas3D.hpp
+++ b/src/slic3r/GUI/GLCanvas3D.hpp
@@ -105,6 +105,7 @@ wxDECLARE_EVENT(EVT_GLCANVAS_RIGHT_CLICK, Vec2dEvent);
 wxDECLARE_EVENT(EVT_GLCANVAS_MODEL_UPDATE, SimpleEvent);
 wxDECLARE_EVENT(EVT_GLCANVAS_REMOVE_OBJECT, SimpleEvent);
 wxDECLARE_EVENT(EVT_GLCANVAS_ARRANGE, SimpleEvent);
+wxDECLARE_EVENT(EVT_GLCANVAS_QUESTION_MARK, SimpleEvent);
 wxDECLARE_EVENT(EVT_GLCANVAS_INCREASE_INSTANCES, Event<int>); // data: +1 => increase, -1 => decrease
 wxDECLARE_EVENT(EVT_GLCANVAS_INSTANCE_MOVED, SimpleEvent);
 wxDECLARE_EVENT(EVT_GLCANVAS_WIPETOWER_MOVED, Vec3dEvent);
diff --git a/src/slic3r/GUI/KBShortcutsDialog.cpp b/src/slic3r/GUI/KBShortcutsDialog.cpp
index 25419b438..87010f081 100644
--- a/src/slic3r/GUI/KBShortcutsDialog.cpp
+++ b/src/slic3r/GUI/KBShortcutsDialog.cpp
@@ -1,6 +1,6 @@
 #include "KBShortcutsDialog.hpp"
 #include "I18N.hpp"
-#include "..\libslic3r\Utils.hpp"
+#include "libslic3r/Utils.hpp"
 #include "GUI.hpp"
 #include <wx/scrolwin.h>
 
@@ -104,6 +104,7 @@ void KBShortcutsDialog::fill_shortcuts()
     main_shortcuts.push_back(Shortcut("0-6",            L("Camera view ")));
     main_shortcuts.push_back(Shortcut("+",              L("Add Instance to selected object ")));
     main_shortcuts.push_back(Shortcut("-",              L("Remove Instance from selected object")));
+    main_shortcuts.push_back(Shortcut("?",              L("Show keyboard shortcuts list")));
     main_shortcuts.push_back(Shortcut("PgUp/PgDn",      L("Switch between 3D and Preview")));
     main_shortcuts.push_back(Shortcut("Shift+LeftMouse",L("Select multiple object/Move multiple object")));
 
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index ea8a83871..ca2ae2420 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -1186,6 +1186,7 @@ Plater::priv::priv(Plater *q, MainFrame *main_frame)
     view3D_canvas->Bind(EVT_GLCANVAS_MODEL_UPDATE, [this](SimpleEvent&) { this->schedule_background_process(); });
     view3D_canvas->Bind(EVT_GLCANVAS_REMOVE_OBJECT, [q](SimpleEvent&) { q->remove_selected(); });
     view3D_canvas->Bind(EVT_GLCANVAS_ARRANGE, [this](SimpleEvent&) { arrange(); });
+    view3D_canvas->Bind(EVT_GLCANVAS_QUESTION_MARK, [this](SimpleEvent&) { wxGetApp().keyboard_shortcuts(); });
     view3D_canvas->Bind(EVT_GLCANVAS_INCREASE_INSTANCES, [this](Event<int> &evt) 
         { if (evt.data == 1) this->q->increase_instances(); else if (this->can_decrease_instances()) this->q->decrease_instances(); });
     view3D_canvas->Bind(EVT_GLCANVAS_INSTANCE_MOVED, [this](SimpleEvent&) { update(); });