diff --git a/resources/icons/hollow.svg b/resources/icons/hollow.svg
index 119fb6afc..13e96ada9 100644
--- a/resources/icons/hollow.svg
+++ b/resources/icons/hollow.svg
@@ -1,42 +1,80 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Adobe Illustrator 23.0.2, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<!-- Generator: Adobe Illustrator 24.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.0" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 viewBox="0 0 128 128" enable-background="new 0 0 128 128" xml:space="preserve">
-<g id="SLA_supports">
+<g id="hollow">
 	<g>
-		<path fill="#FFFFFF" d="M117.02,121.54H11.12c-1.93,0-3.5-1.57-3.5-3.5v-3.99c0-1.93,1.57-3.5,3.5-3.5h105.9
-			c1.93,0,3.5,1.57,3.5,3.5v3.99C120.52,119.97,118.95,121.54,117.02,121.54z M11.12,113.55c-0.27,0-0.5,0.23-0.5,0.5v3.99
-			c0,0.27,0.23,0.5,0.5,0.5h105.9c0.27,0,0.5-0.23,0.5-0.5v-3.99c0-0.27-0.23-0.5-0.5-0.5H11.12z"/>
+		<g>
+			<path fill="#FFFFFF" d="M64,121.87c-0.39,0-0.77-0.11-1.11-0.34l-17.93-11.95c-0.92-0.61-1.17-1.85-0.55-2.77
+				s1.86-1.17,2.77-0.55L64,117.47l17.03-11.35c0.92-0.61,2.16-0.36,2.77,0.55c0.61,0.92,0.36,2.16-0.55,2.77l-18.14,12.09
+				C64.77,121.76,64.39,121.87,64,121.87z"/>
+		</g>
+		<g>
+			<path fill="#FFFFFF" d="M90.96,103.89c-0.65,0-1.28-0.31-1.67-0.89c-0.61-0.92-0.36-2.16,0.55-2.77l20.04-13.36V41.13L64,10.53
+				L18.11,41.13v45.75l20.03,13.36c0.92,0.61,1.17,1.85,0.55,2.77c-0.61,0.92-1.85,1.17-2.77,0.55L15,89.61
+				c-0.56-0.37-0.89-1-0.89-1.66V40.06c0-0.67,0.33-1.29,0.89-1.66L62.89,6.47c0.67-0.45,1.55-0.45,2.22,0L113,38.39
+				c0.56,0.37,0.89,1,0.89,1.66v47.89c0,0.67-0.33,1.29-0.89,1.66l-20.93,13.95C91.73,103.79,91.34,103.89,90.96,103.89z"/>
+		</g>
 	</g>
 	<g>
-		<path fill="#ED6B21" d="M32.08,108.06c-0.83,0-1.5-0.67-1.5-1.5v-18.8c0-0.83,0.67-1.5,1.5-1.5s1.5,0.67,1.5,1.5v18.8
-			C33.58,107.39,32.9,108.06,32.08,108.06z"/>
-	</g>
-	<g>
-		<path fill="#ED6B21" d="M48.02,108.06c-0.83,0-1.5-0.67-1.5-1.5v-8.14c0-0.83,0.67-1.5,1.5-1.5s1.5,0.67,1.5,1.5v8.14
-			C49.52,107.39,48.85,108.06,48.02,108.06z"/>
-	</g>
-	<g>
-		<path fill="#ED6B21" d="M88.04,108.06c-0.83,0-1.5-0.67-1.5-1.5V93.09c0-0.83,0.67-1.5,1.5-1.5s1.5,0.67,1.5,1.5v13.47
-			C89.54,107.39,88.87,108.06,88.04,108.06z"/>
-	</g>
-	<path fill="#FFFFFF" d="M70.36,95.12l-6.29,4.2l-14.45-9.63l-2.5,2.6l15.96,10.64c0.3,0.2,0.64,0.3,0.99,0.3s0.69-0.1,0.99-0.3
-		l7.9-5.27L70.36,95.12z"/>
-	<polygon fill="#FFFFFF" points="88.97,86.99 86.35,84.46 77.91,90.09 80.5,92.63 	"/>
-	<path fill="#FFFFFF" d="M103.99,35.1L65.05,9.14c-0.6-0.4-1.37-0.4-1.97,0L24.14,35.1c-0.49,0.33-0.79,0.88-0.79,1.48v38.91
-		c0,0.59,0.3,1.15,0.79,1.48l15.47,10.32l2.5-2.6L26.9,74.54V37.53l37.16-24.78l37.16,24.78v37.01l-7.32,4.88l2.61,2.53l7.46-4.98
-		c0.49-0.33,0.79-0.88,0.79-1.48V36.58C104.78,35.99,104.49,35.43,103.99,35.1z"/>
-	<g>
-		<path fill="#ED6B21" d="M96.16,108.06c-0.83,0-1.5-0.67-1.5-1.5V87.93L79,73.22c-0.6-0.57-0.63-1.52-0.07-2.12
-			c0.57-0.6,1.52-0.63,2.12-0.07l16.13,15.15c0.3,0.28,0.47,0.68,0.47,1.09v19.27C97.66,107.39,96.99,108.06,96.16,108.06z"/>
-	</g>
-	<g>
-		<path fill="#ED6B21" d="M40.08,108.06c-0.83,0-1.5-0.67-1.5-1.5V93.29c0-0.39,0.15-0.76,0.41-1.04l16.13-16.91
-			c0.57-0.6,1.52-0.62,2.12-0.05c0.6,0.57,0.62,1.52,0.05,2.12L41.58,93.89v12.67C41.58,107.39,40.91,108.06,40.08,108.06z"/>
-	</g>
-	<g>
-		<path fill="#ED6B21" d="M80.13,108.06c-0.83,0-1.5-0.67-1.5-1.5v-7.65L62.94,83.19c-0.59-0.59-0.58-1.54,0-2.12
-			c0.59-0.58,1.54-0.59,2.12,0l16.13,16.15c0.28,0.28,0.44,0.66,0.44,1.06v8.27C81.63,107.39,80.96,108.06,80.13,108.06z"/>
+		<g>
+			<path fill="#ED6B21" d="M67.33,23.81c-0.38,0-0.77-0.11-1.11-0.34L64,22l-2.22,1.48c-0.92,0.61-2.16,0.36-2.77-0.55
+				c-0.61-0.92-0.36-2.16,0.55-2.77l3.33-2.22c0.67-0.45,1.55-0.45,2.22,0l3.33,2.22c0.92,0.61,1.17,1.85,0.55,2.77
+				C68.61,23.5,67.97,23.81,67.33,23.81z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M36.09,40.2c-0.65,0-1.28-0.31-1.67-0.89c-0.61-0.92-0.36-2.16,0.55-2.77l5.46-3.64
+				c0.92-0.61,2.16-0.36,2.77,0.55c0.61,0.92,0.36,2.16-0.55,2.77l-5.46,3.64C36.86,40.09,36.48,40.2,36.09,40.2z M48.38,32.01
+				c-0.65,0-1.28-0.31-1.67-0.89c-0.61-0.92-0.36-2.16,0.55-2.77l5.46-3.64c0.92-0.61,2.16-0.36,2.77,0.55s0.36,2.16-0.55,2.77
+				l-5.46,3.64C49.15,31.9,48.77,32.01,48.38,32.01z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M25.94,50.97c-1.1,0-2-0.9-2-2v-4c0-0.67,0.33-1.29,0.89-1.66l3.33-2.22c0.92-0.62,2.16-0.36,2.77,0.55
+				s0.36,2.16-0.55,2.77l-2.44,1.62v2.93C27.94,50.07,27.04,50.97,25.94,50.97z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M25.94,70.29c-1.1,0-2-0.9-2-2v-8.59c0-1.1,0.9-2,2-2s2,0.9,2,2v8.59C27.94,69.4,27.04,70.29,25.94,70.29
+				z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M29.26,87.25c-0.38,0-0.77-0.11-1.11-0.34l-3.33-2.22c-0.56-0.37-0.89-1-0.89-1.66v-4c0-1.1,0.9-2,2-2
+				s2,0.9,2,2v2.93l2.44,1.62c0.92,0.61,1.17,1.85,0.55,2.77C30.54,86.94,29.91,87.25,29.26,87.25z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M53.84,103.64c-0.38,0-0.77-0.11-1.11-0.34l-5.46-3.64c-0.92-0.61-1.17-1.85-0.55-2.77
+				c0.61-0.92,1.85-1.17,2.77-0.55l5.46,3.64c0.92,0.61,1.17,1.85,0.55,2.77C55.12,103.32,54.49,103.64,53.84,103.64z M41.55,95.44
+				c-0.38,0-0.77-0.11-1.11-0.34l-5.46-3.64c-0.92-0.61-1.17-1.85-0.55-2.77c0.61-0.92,1.86-1.17,2.77-0.55l5.46,3.64
+				c0.92,0.61,1.17,1.85,0.55,2.77C42.83,95.13,42.2,95.44,41.55,95.44z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M64,110.41c-0.39,0-0.77-0.11-1.11-0.34l-3.33-2.22c-0.92-0.61-1.17-1.85-0.55-2.77
+				c0.61-0.92,1.85-1.17,2.77-0.55L64,106l2.22-1.48c0.92-0.61,2.16-0.37,2.77,0.55c0.61,0.92,0.36,2.16-0.55,2.77l-3.33,2.22
+				C64.77,110.29,64.39,110.41,64,110.41z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M74.16,103.64c-0.65,0-1.28-0.31-1.67-0.89c-0.61-0.92-0.36-2.16,0.55-2.77l5.46-3.64
+				c0.92-0.61,2.16-0.36,2.77,0.55c0.61,0.92,0.36,2.16-0.55,2.77l-5.46,3.64C74.92,103.53,74.54,103.64,74.16,103.64z M86.45,95.44
+				c-0.65,0-1.28-0.31-1.67-0.89c-0.61-0.92-0.36-2.16,0.55-2.77l5.46-3.64c0.92-0.61,2.16-0.36,2.77,0.55
+				c0.61,0.92,0.36,2.16-0.55,2.77l-5.46,3.64C87.21,95.33,86.83,95.44,86.45,95.44z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M98.74,87.25c-0.65,0-1.28-0.31-1.67-0.89c-0.61-0.92-0.36-2.16,0.55-2.77l2.44-1.62v-2.93
+				c0-1.1,0.9-2,2-2s2,0.9,2,2v4c0,0.67-0.33,1.29-0.89,1.66l-3.33,2.22C99.5,87.14,99.12,87.25,98.74,87.25z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M102.06,70.29c-1.1,0-2-0.9-2-2v-8.59c0-1.1,0.9-2,2-2s2,0.9,2,2v8.59
+				C104.06,69.4,103.17,70.29,102.06,70.29z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M102.06,50.97c-1.1,0-2-0.9-2-2v-2.93l-2.44-1.62c-0.92-0.61-1.17-1.85-0.55-2.77s1.85-1.17,2.77-0.55
+				l3.33,2.22c0.56,0.37,0.89,1,0.89,1.66v4C104.06,50.07,103.17,50.97,102.06,50.97z"/>
+		</g>
+		<g>
+			<path fill="#ED6B21" d="M91.91,40.2c-0.38,0-0.77-0.11-1.11-0.34l-5.46-3.64c-0.92-0.61-1.17-1.85-0.55-2.77
+				c0.61-0.92,1.85-1.17,2.77-0.55l5.46,3.64c0.92,0.61,1.17,1.85,0.55,2.77C93.19,39.89,92.55,40.2,91.91,40.2z M79.62,32.01
+				c-0.38,0-0.77-0.11-1.11-0.34l-5.46-3.64c-0.92-0.61-1.17-1.85-0.55-2.77s1.85-1.17,2.77-0.55l5.46,3.64
+				c0.92,0.61,1.17,1.85,0.55,2.77C80.9,31.69,80.26,32.01,79.62,32.01z"/>
+		</g>
 	</g>
 </g>
 </svg>
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp b/src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp
index 909907a88..c6c02947f 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp
@@ -748,13 +748,6 @@ RENDER_AGAIN:
     if (ImGui::SliderFloat("     ", &m_clipping_plane_distance, 0.f, 1.f, "%.2f"))
         update_clipping_plane(true);
 
-    if (m_imgui->button("?")) {
-        wxGetApp().CallAfter([]() {
-            SlaGizmoHelpDialog help_dlg;
-            help_dlg.ShowModal();
-        });
-    }
-
     if (m_imgui->checkbox(m_desc["show_supports"], m_show_supports)) {
         m_parent.toggle_sla_auxiliaries_visibility(m_show_supports, m_model_object, m_active_instance);
         force_refresh = true;