diff --git a/docs/HLSD/tooltip-illustrations.md b/docs/HLSD/tooltip-illustrations.md
index 1189c89c3f..dc52e9ac93 100644
--- a/docs/HLSD/tooltip-illustrations.md
+++ b/docs/HLSD/tooltip-illustrations.md
@@ -57,7 +57,10 @@ afterwards rather than the short one: having just let go of a slider is not a re
 picture of it.
 
 A pointer resting on a control produces no events, and the canvas only renders when something asks it
-to, so the wait has to ask for its own frames, and so does an animation once one is on screen. Both use
+to, so the wait has to ask for its own frames, and so does an animation once one is on screen. So does
+a tooltip that has just appeared, animated or not: ImGui hides a window on the first frame it is
+submitted while it measures it, and does so every time a tooltip reappears because those windows are
+recycled, so the frame a tooltip is decided on is never the frame it is seen on. Both use
 `GLCanvas3D::request_extra_frame()`, which ends `on_idle()` with `evt.RequestMore()` and so obliges wx
 to deliver the next idle. `schedule_extra_frame()` is not enough on its own: it only arranges a timer
 whose event an idle event is assumed to follow, and on_idle renders nothing unless the canvas was
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoTextureDisplacement.cpp b/src/slic3r/GUI/Gizmos/GLGizmoTextureDisplacement.cpp
index 2b04e0eef7..c513077ebd 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoTextureDisplacement.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoTextureDisplacement.cpp
@@ -3764,6 +3764,17 @@ void GLGizmoTextureDisplacement::panel_tooltip(const std::string &text, const st
     }
     m_tip_last_shown = now;
 
+    // ImGui hides a window on the first frame it is submitted, to measure it before showing it - and
+    // for a tooltip it does so every time one reappears, because the windows are recycled (see the
+    // Popup|Tooltip branch of Begin()). So the frame on which a tooltip is decided is never the frame
+    // on which it is seen, and one that then asks for nothing more stays invisible until the next pixel
+    // of mouse movement happens to produce another frame. Keep frames coming until it has settled.
+    const int shown_frame = ImGui::GetFrameCount();
+    m_tip_settled         = (shown_frame == m_tip_shown_frame + 1) ? m_tip_settled + 1 : 0;
+    m_tip_shown_frame     = shown_frame;
+    if (m_tip_settled < 2)
+        m_parent.request_extra_frame();
+
     const ImGuiStyle &style = ImGui::GetStyle();
     const float       gap   = m_imgui->scaled(0.5f);
     const float       wrap  = m_imgui->scaled(20.f);
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoTextureDisplacement.hpp b/src/slic3r/GUI/Gizmos/GLGizmoTextureDisplacement.hpp
index 7762b95e3e..c99d7dcee4 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoTextureDisplacement.hpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoTextureDisplacement.hpp
@@ -1066,6 +1066,10 @@ private:
     ImVec2 m_tip_item{-1.f, -1.f};
     double m_tip_hover_since = 0.;
     double m_tip_last_shown  = -1e9;
+    // The frame a tooltip was last drawn on, and how many it has been drawn on in a row: ImGui hides
+    // one on its first frame while it measures it, so it has to be kept on screen to be seen at all.
+    int m_tip_shown_frame = -2;
+    int m_tip_settled     = 0;
 };
 
 } // namespace Slic3r::GUI