diff --git a/data/layout.xml b/data/layout.xml
index 0ccdccb..2bbef3b 100644
--- a/data/layout.xml
+++ b/data/layout.xml
@@ -151,7 +151,7 @@
         <node dir="row">
           <node width="36%" dir="col">
             <!--<node height="20" justify="center" margin="5 0 5 0"><text text="Shade"/></node>-->
-            <node height="40" justify="center" margin="5 0 0 0">
+            <node height="30" justify="center" margin="5 0 0 0">
               <text text="Preset"/>
             </node>
             <node height="40" justify="center" margin="5 0 0 0">
@@ -163,10 +163,7 @@
           </node>
           <node dir="col" align="center" grow="1" width="1" flood-events="1">
             <!--<node height="20" pad="1" width="100%" margin="5 0 5 0"><slider-h id="tip-shade" value="1"/></node>-->
-            <button-custom id="preset-button" width="100%" height="40" margin="5 0 0 0" dir="row" pad="4">
-              <image id="preset-thumb" width="32" height="100%"/>
-              <stroke-preview id="preset-preview" width="10" grow="1" height="100%"/>
-            </button-custom>
+            <button id="preset-button" text="Select Preset" width="100%" height="30" margin="5 0 0 0" dir="row"/>
             <node dir="row" margin="5 0 0 0">
               <button-custom id="tip-change" width="40" height="40" dir="row" pad="4">
                 <image id="tip-change-thumb" width="32" height="100%"/>
diff --git a/src/node_panel_grid.cpp b/src/node_panel_grid.cpp
index cfda8df..ea10590 100644
--- a/src/node_panel_grid.cpp
+++ b/src/node_panel_grid.cpp
@@ -33,7 +33,7 @@ void NodePanelGrid::init_controls()
     m_hm_preview = find<NodeImageTexture>("grid-heightmap-preview");
     m_hm_load = find<NodeButton>("grid-heightmap-load");
     m_hm_clear = find<NodeButton>("grid-heightmap-clear");
-    m_hm_reload = find<NodeButton>("grid-heightmap-reload");
+    m_hm_reload = find<NodeButtonCustom>("grid-heightmap-reload");
     m_hm_wireframe = find<NodeSliderH>("grid-heightmap-wireframe");
     m_hm_thickness = find<NodeSliderH>("grid-heightmap-thickness");
     m_hm_height = find<NodeSliderH>("grid-heightmap-height");
diff --git a/src/node_panel_grid.h b/src/node_panel_grid.h
index 6a11d95..4bdef47 100644
--- a/src/node_panel_grid.h
+++ b/src/node_panel_grid.h
@@ -13,6 +13,7 @@
 #define NANORT_USE_CPP11_FEATURE
 #define NANORT_ENABLE_PARALLEL_BUILD
 #include "nanort.h"
+#include "node_button_custom.h"
 
 class NodeHeightmapOverlay : public NodeBorder
 {
@@ -43,7 +44,7 @@ public:
     NodeImageTexture* m_hm_preview;
     NodeButton* m_hm_load;
     NodeButton* m_hm_clear;
-    NodeButton* m_hm_reload;
+    NodeButtonCustom* m_hm_reload;
     NodeComboBox* m_hm_shading;
     NodeSliderH* m_hm_height;
     NodeSliderH* m_hm_wireframe;
diff --git a/src/node_panel_stroke.cpp b/src/node_panel_stroke.cpp
index 6465bd9..091be79 100644
--- a/src/node_panel_stroke.cpp
+++ b/src/node_panel_stroke.cpp
@@ -268,12 +268,7 @@ void NodePanelStroke::init_controls()
 
     // BRUSH PRESETS
 
-    m_preset_thumb = find<NodeImage>("preset-thumb");
-    m_preset_thumb->m_use_mipmaps = true;
-    m_preset_preview = find<NodeStrokePreview>("preset-preview");
-    m_preset_preview->m_brush = b;
-    m_preset_preview->draw_stroke();
-    m_preset_button = find<NodeButtonCustom>("preset-button");
+    m_preset_button = find<NodeButton>("preset-button");
     m_preset_button->on_click = [this](Node*) {
         auto screen = root()->m_size;
         glm::vec2 pos = m_preset_button->m_pos + glm::vec2(m_preset_button->m_size.x, 0);
@@ -302,10 +297,8 @@ void NodePanelStroke::init_controls()
             b->m_tip_color = Canvas::I->m_current_brush->m_tip_color;
             *Canvas::I->m_current_brush = *b;
             m_preview->draw_stroke();
-            m_preset_preview->draw_stroke();
             m_brush_thumb->set_image(b->m_brush_thumb_path);
             m_dual_brush_thumb->set_image(b->m_dual_thumb_path);
-            m_preset_thumb->set_image(b->m_brush_thumb_path);
             m_pattern_thumb->set_image(b->m_pattern_thumb_path);
             update_controls();
         };
diff --git a/src/node_panel_stroke.h b/src/node_panel_stroke.h
index a11d592..4c881ff 100644
--- a/src/node_panel_stroke.h
+++ b/src/node_panel_stroke.h
@@ -45,9 +45,7 @@ public:
     NodeImage* m_brush_thumb;
     NodeImage* m_dual_brush_thumb;
     NodeImage* m_pattern_thumb;
-    NodeImage* m_preset_thumb;
-    NodeButtonCustom* m_preset_button;
-    NodeStrokePreview* m_preset_preview;
+    NodeButton* m_preset_button;
 
     NodeCheckBox* m_tip_invert;
     NodeCheckBox* m_tip_flipx;
diff --git a/src/node_stroke_preview.cpp b/src/node_stroke_preview.cpp
index f65469b..2e20a71 100644
--- a/src/node_stroke_preview.cpp
+++ b/src/node_stroke_preview.cpp
@@ -280,14 +280,14 @@ void NodeStrokePreview::draw_stroke()
     {
         float w = m_size.x * App::I.zoom;
         float h = m_size.y * App::I.zoom;
-        glm::vec2 pad = { 0, 0 };
+        glm::vec2 pad = { 10, 10 };
         if (!b->m_tip_size_pressure)
-            pad = m_size * App::I.zoom * .15f;
+            pad.x = pad.y = m_size.y * App::I.zoom * .15f;
         std::vector<glm::vec2> kp = { pad, { pad.x, h - pad.y },{ w - pad.x, pad.y },{ w - pad.x, h - pad.y } };
         for (int i = 0; i < 100; i++)
         {
             float t = (float)i / 100.f;
-            float p = glm::pow(1.f - glm::abs(t * 2.f - 1.f), 2.f);
+            float p = glm::clamp((1.f - glm::abs(t * 2.f - 1.f)) * 1.1f, 0.f, 1.f);
             m_stroke.add_point(glm::vec3(BezierCurve::Bezier2D(kp, t), 0), p);
             if (b->m_dual_enabled)
                 m_dual_stroke.add_point(glm::vec3(BezierCurve::Bezier2D(kp, t), 0), p);