diff --git a/data/layout.xml b/data/layout.xml
index 2988033..627dd25 100644
--- a/data/layout.xml
+++ b/data/layout.xml
@@ -136,7 +136,7 @@
   <layout id="tpl-panel-stroke">
     <node width="250" margin="0 0 10 0" rtl="ltr">
       <border height="30" color=".5" align="center" justify="center">
-        <text text="Stroke" color="1 1 1 1"/>
+        <text text="Brush Settings" color="1 1 1 1"/>
       </border>
       <border color=".3" pad="5" dir="col" width="100%">
 
@@ -503,7 +503,7 @@
 
         <border color=".2" height="20" dir="row" justify="center" align="center" margin="5 0 5 0">
           <node align="center" width="1" grow="1">
-            <text text="Color Variations"/>
+            <text text="Pressure Variations"/>
           </node>
           <button id="button-unfold-colorvar" width="30" height="18" text="+"/>
         </border>
diff --git a/data/shaders/include/blend-stroke.glsl b/data/shaders/include/blend-stroke.glsl
index dfee35f..db1ce4e 100644
--- a/data/shaders/include/blend-stroke.glsl
+++ b/data/shaders/include/blend-stroke.glsl
@@ -28,12 +28,12 @@ mediump float blend_stroke_color_dodge(mediump float base, mediump float stroke)
 
 mediump float blend_stroke_color_burn(mediump float base, mediump float stroke)
 {
-    if (base == 0.0)
-        return 0.0;
-    else if (stroke == 1.0)
+    if (base == 1.0)
         return 1.0;
+    else if (stroke == 0.0)
+        return 0.0;
     else
-        return 1.0 - (1.0 - base) / stroke;
+        return 1.0 - min(1.0, (1.0 - base) / stroke);
 }
 
 mediump float blend_stroke_linear_height(mediump float base, mediump float stroke, mediump float depth)
diff --git a/src/abr.cpp b/src/abr.cpp
index b6285bf..24e1f33 100644
--- a/src/abr.cpp
+++ b/src/abr.cpp
@@ -148,8 +148,9 @@ std::vector<std::shared_ptr<Brush>> ABR::compute_brushes(const std::string& path
         {
             auto patt_uid = wstr2str(patt->value<String>("Idnt"));
             b->m_pattern_path = path + "/patterns/" + patt_uid + ".png";
-            //b->m_brush_thumb_path = path + "/patterns/thumbs/" + patt_uid + ".png";
+            b->m_pattern_thumb_path = path + "/patterns/thumbs/" + patt_uid + ".png";
             b->m_pattern_depth = p->value<UnitFloat>("textureDepth") * 0.01f;
+            b->m_pattern_enabled = true;
         }
         ret.push_back(b);
     }
@@ -305,8 +306,8 @@ std::shared_ptr<ABR::Double> ABR::parse_doub()
 std::shared_ptr<ABR::Enum> ABR::parse_enum()
 {
     auto ret = std::make_shared<Enum>();
-    auto t = rkey_or_string();
-    auto e = rkey_or_string();
+    ret->type = rkey_or_string();
+    ret->value = rkey_or_string();
     //printf("enum: %s %s\n", t.c_str(), e.c_str());
     return ret;
 }
diff --git a/src/abr.h b/src/abr.h
index f624672..a3ba9e4 100644
--- a/src/abr.h
+++ b/src/abr.h
@@ -450,9 +450,9 @@ class ABR : private BinaryStream
     std::shared_ptr<RawData>    parse_tdta();
 
     std::map<std::string /*key*/, std::function<Type::Ref()>> m_parser_table;
-    std::vector<std::shared_ptr<Descriptor>> m_presets;
 
 public:
+    std::vector<std::shared_ptr<Descriptor>> m_presets;
     std::map<std::string /*uid*/, std::shared_ptr<Image>> m_patterns;
     std::map<std::string /*uid*/, std::shared_ptr<Image>> m_samples;
 
diff --git a/src/app_layout.cpp b/src/app_layout.cpp
index 6e74ba7..8f82f45 100644
--- a/src/app_layout.cpp
+++ b/src/app_layout.cpp
@@ -404,23 +404,39 @@ void App::init_menu_file()
                 };
             if (auto b = popup->find<NodeButtonCustom>("file-import"))
                 b->on_click = [this, popup](Node*) {
-                    App::I.pick_image([this](std::string path){
-                        Image img;
-                        async_start();
-                        img.load_file(path);
-                        if (img.width == img.height / 6 || img.width == img.height * 2)
+                    App::I.pick_file({ "JPG", "PNG", "ABR" }, [this](std::string path){
+                        std::string name, base, ext;
+                        std::regex r(R"((.*)[\\/]([^\\/]+)\.(\w+)$)");
+                        std::smatch m;
+                        if (!std::regex_search(path, m, r))
+                            return;
+                        base = m[1].str();
+                        name = m[2].str();
+                        ext = m[3].str();
+
+                        if (str_iequals(ext, "abr"))
                         {
-                            Canvas::I->import_equirectangular(path);
+                            std::thread([this,path] { stroke->import_abr(path); }).detach();
                         }
                         else
                         {
-                            auto m = static_cast<CanvasModeTransform*>(canvas->m_canvas->modes[(int)kCanvasMode::Import][0]);
-                            m->m_action = CanvasModeTransform::ActionType::Import;
-                            m->m_source_image = std::move(img);
-                            Canvas::set_mode(kCanvasMode::Import);
+                            Image img;
+                            async_start();
+                            img.load_file(path);
+                            if (img.width == img.height / 6 || img.width == img.height * 2)
+                            {
+                                Canvas::I->import_equirectangular(path);
+                            }
+                            else
+                            {
+                                auto m = static_cast<CanvasModeTransform*>(canvas->m_canvas->modes[(int)kCanvasMode::Import][0]);
+                                m->m_action = CanvasModeTransform::ActionType::Import;
+                                m->m_source_image = std::move(img);
+                                Canvas::set_mode(kCanvasMode::Import);
+                            }
+                            async_redraw();
+                            async_end();
                         }
-                        async_redraw();
-                        async_end();
                     });
                     popup->mouse_release();
                     popup->destroy();
diff --git a/src/brush.cpp b/src/brush.cpp
index 7a2db27..939f30a 100644
--- a/src/brush.cpp
+++ b/src/brush.cpp
@@ -323,7 +323,7 @@ bool Brush::load_pattern(const std::string& path, const std::string& thumb)
     m_pattern_texture->create_mipmaps();
     m_pattern_texture->auto_destroy = true;
     m_pattern_path = path;
-    m_texture_thumb_path = thumb;
+    m_pattern_thumb_path = thumb;
     return true;
 }
 
diff --git a/src/brush.h b/src/brush.h
index 0d407a5..85dd37f 100644
--- a/src/brush.h
+++ b/src/brush.h
@@ -20,7 +20,7 @@ public:
     
     std::shared_ptr<Texture2D> m_pattern_texture;
     std::string m_pattern_path;
-    std::string m_texture_thumb_path;
+    std::string m_pattern_thumb_path;
 
     glm::vec4 m_tip_color{0, 0, 0, 1};
     float m_tip_size = .25f;
diff --git a/src/node_panel_brush.cpp b/src/node_panel_brush.cpp
index ee21bfa..764c755 100644
--- a/src/node_panel_brush.cpp
+++ b/src/node_panel_brush.cpp
@@ -51,7 +51,7 @@ void NodePanelBrush::init()
 
     m_btn_add = find<NodeButtonCustom>("btn-add");
     m_btn_add->on_click = [this](Node*) {
-        App::I.pick_file({ "JPG", "PNG", "ABR" }, [this](std::string path) {
+        App::I.pick_file({ "JPG", "PNG" }, [this](std::string path) {
             std::string name, base, ext;
             std::regex r(R"((.*)[\\/]([^\\/]+)\.(\w+)$)");
             std::smatch m;
@@ -61,72 +61,7 @@ void NodePanelBrush::init()
             name = m[2].str();
             ext = m[3].str();
             Image img;
-
-            if (str_iequals(ext, "abr"))
-            {
-                ABR abr;
-                LOG("ABR detected");
-
-                if (!abr.open(path))
-                {
-                    LOG("ABR read failed");
-                    return;
-                }
-
-                parallel_for(abr.m_samples.size(), [&](size_t i)
-                {
-                    auto ii = abr.m_samples.begin();
-                    std::advance(ii, i);
-                    const auto& samp = *ii;
-                    std::string path_high = App::I.data_path + "/brushes/" + samp.first + ".png";
-                    std::string path_thumb = App::I.data_path + "/brushes/thumbs/" + samp.first + ".png";
-                    auto padded = samp.second->resize_squared(glm::u8vec4(255));
-                    auto high = padded.resize_power2();
-                    high.save(path_high);
-                    auto thumb = padded.resize(64, 64);
-                    thumb.save(path_thumb);
-
-                    //async_start();
-                    //NodeButtonBrush* brush = new NodeButtonBrush;
-                    //m_container->add_child(brush);
-                    //brush->init();
-                    //brush->create();
-                    //brush->loaded();
-                    //brush->set_icon(path_thumb.c_str());
-                    //brush->thumb_path = path_thumb;
-                    //brush->high_path = path_high;
-                    //brush->brush_name = name;
-                    //brush->m_user_brush = true;
-                    //brush->on_click = std::bind(&NodePanelBrush::handle_click, this, std::placeholders::_1);
-                    //app_redraw();
-                    //async_end();
-                });
-                parallel_for(abr.m_patterns.size(), [&](size_t i)
-                {
-                    auto ii = abr.m_patterns.begin();
-                    std::advance(ii, i);
-                    const auto& patt = *ii;
-                    std::string path_high = App::I.data_path + "/textures/" + patt.first + ".png";
-                    std::string path_thumb = App::I.data_path + "/textures/thumbs/" + patt.first + ".png";
-                    patt.second->save(path_high);
-                    auto thumb = patt.second->resize(64, 64);
-                    thumb.save(path_thumb);
-                });
-                auto brushes = abr.compute_brushes(App::I.data_path);
-                for (const auto& pr : brushes)
-                {
-                    auto presets = App::I.stroke->m_presets_popup;
-                    async_start();
-                    if (pr->load())
-                    {
-                        LOG("add preset %s", pr->m_name.c_str());
-                        presets->add_brush(pr);
-                    }
-                    async_end();
-                }
-                //save();
-            }
-            else if (!m_dir_name.empty() && img.load_file(path))
+            if (!m_dir_name.empty() && img.load_file(path))
             {
                 std::string path_high = App::I.data_path + "/" + m_dir_name + "/" + name + ".png";
                 std::string path_thumb = App::I.data_path + "/" + m_dir_name + "/thumbs/" + name + ".png";
@@ -547,7 +482,7 @@ bool NodePanelBrushPreset::save()
             i.m_dual_path_len = b->m_brush_path.size();
             i.m_dual_thumb_path_len = b->m_brush_thumb_path.size();
             i.m_stencil_path_len = b->m_pattern_path.size();
-            i.m_stencil_thumb_path_len = b->m_texture_thumb_path.size();
+            i.m_stencil_thumb_path_len = b->m_pattern_thumb_path.size();
             i.m_tip_color           = b->m_tip_color;
             i.m_tip_size            = b->m_tip_size;
             i.m_tip_spacing         = b->m_tip_spacing;
@@ -611,7 +546,7 @@ bool NodePanelBrushPreset::save()
             fwrite(b->m_dual_path.c_str(), 1, b->m_brush_path.size(), fp);
             fwrite(b->m_dual_thumb_path.c_str(), 1, b->m_brush_thumb_path.size(), fp);
             fwrite(b->m_pattern_path.c_str(), 1, b->m_pattern_path.size(), fp);
-            fwrite(b->m_texture_thumb_path.c_str(), 1, b->m_texture_thumb_path.size(), fp);
+            fwrite(b->m_pattern_thumb_path.c_str(), 1, b->m_pattern_thumb_path.size(), fp);
         }
         fclose(fp);
         return true;
@@ -704,19 +639,19 @@ bool NodePanelBrushPreset::restore()
             b->m_dual_path.resize(i.m_brush_path_len);
             b->m_dual_thumb_path.resize(i.m_brush_thumb_path_len);
             b->m_pattern_path.resize(i.m_stencil_path_len);
-            b->m_texture_thumb_path.resize(i.m_stencil_thumb_path_len);
+            b->m_pattern_thumb_path.resize(i.m_stencil_thumb_path_len);
             fread((char*)b->m_name.c_str(), 1, b->m_name.size(), fp);
             fread((char*)b->m_brush_path.c_str(), 1, b->m_brush_path.size(), fp);
             fread((char*)b->m_brush_thumb_path.c_str(), 1, b->m_brush_thumb_path.size(), fp);
             fread((char*)b->m_dual_path.c_str(), 1, b->m_brush_path.size(), fp);
             fread((char*)b->m_dual_thumb_path.c_str(), 1, b->m_brush_thumb_path.size(), fp);
             fread((char*)b->m_pattern_path.c_str(), 1, b->m_pattern_path.size(), fp);
-            fread((char*)b->m_texture_thumb_path.c_str(), 1, b->m_texture_thumb_path.size(), fp);
+            fread((char*)b->m_pattern_thumb_path.c_str(), 1, b->m_pattern_thumb_path.size(), fp);
 
             if (b->load_tip(b->m_brush_path, b->m_brush_thumb_path))
             {
                 if (!b->m_pattern_path.empty())
-                    b->load_pattern(b->m_pattern_path, b->m_texture_thumb_path);
+                    b->load_pattern(b->m_pattern_path, b->m_pattern_thumb_path);
 
                 NodeBrushPresetItem* brush = new NodeBrushPresetItem;
                 m_container->add_child(brush);
diff --git a/src/node_panel_brush.h b/src/node_panel_brush.h
index b5713bf..ec26420 100644
--- a/src/node_panel_brush.h
+++ b/src/node_panel_brush.h
@@ -28,7 +28,6 @@ class NodePanelBrush : public Node
     // brushes that are marked as deleted but file still exists
     std::vector<std::string> m_deleted;
     NodeButtonBrush* m_current = nullptr;
-    NodeScroll* m_container;
     NodeButtonCustom* m_btn_add;
     NodeButtonCustom* m_btn_up;
     NodeButtonCustom* m_btn_down;
@@ -47,6 +46,7 @@ class NodePanelBrush : public Node
         bool m_user_brush = false;
     };
 public:
+    NodeScroll* m_container;
     std::string m_dir_name;
     std::function<void(Node* target, int index)> on_brush_changed;
     std::function<void(Node* target)> on_popup_close;
diff --git a/src/node_panel_stroke.cpp b/src/node_panel_stroke.cpp
index 17d6ca6..9dc8660 100644
--- a/src/node_panel_stroke.cpp
+++ b/src/node_panel_stroke.cpp
@@ -4,6 +4,7 @@
 #include "canvas.h"
 #include "node_button.h"
 #include "app.h"
+#include "abr.h"
 
 Node* NodePanelStroke::clone_instantiate() const
 {
@@ -22,6 +23,116 @@ void NodePanelStroke::init()
     init_controls();
 }
 
+bool NodePanelStroke::import_abr(const std::string& path)
+{
+    ABR abr;
+    LOG("ABR detected");
+
+    std::string name, base, ext;
+    std::regex r(R"((.*)[\\/]([^\\/]+)\.(\w+)$)");
+    std::smatch m;
+    if (!std::regex_search(path, m, r))
+        return false;
+    base = m[1].str();
+    name = m[2].str();
+    ext = m[3].str();
+
+    if (!str_iequals(ext, "abr"))
+        return false;
+
+    if (!abr.open(path))
+    {
+        LOG("ABR read failed");
+        return false;
+    }
+
+    int tot = abr.m_samples.size() + abr.m_patterns.size() + abr.m_presets.size();
+    std::atomic_int count(0);
+    async_start();
+    auto pb = App::I.show_progress("Importing ABR");
+    app_redraw();
+    async_update();
+    async_end();
+
+    parallel_for(abr.m_samples.size(), [&](size_t i)
+    //for (const auto& samp : abr.m_samples)
+    {
+        auto ii = abr.m_samples.begin();
+        std::advance(ii, i);
+        const auto& samp = *ii;
+        std::string path_high = App::I.data_path + "/brushes/" + samp.first + ".png";
+        std::string path_thumb = App::I.data_path + "/brushes/thumbs/" + samp.first + ".png";
+        auto padded = samp.second->resize_squared(glm::u8vec4(255));
+        auto high = padded.resize_power2();
+        high.save(path_high);
+        auto thumb = padded.resize(64, 64);
+        thumb.save(path_thumb);
+
+        async_start();
+        NodeButtonBrush* brush = new NodeButtonBrush;
+        m_brush_popup->m_container->add_child(brush);
+        brush->init();
+        brush->create();
+        brush->loaded();
+        brush->set_icon(path_thumb.c_str());
+        brush->thumb_path = path_thumb;
+        brush->high_path = path_high;
+        brush->brush_name = name;
+        brush->m_user_brush = true;
+        brush->on_click = std::bind(&NodePanelBrush::handle_click, m_brush_popup, std::placeholders::_1);
+        count++;
+        float prog = (float)count / (float)tot;
+        pb->m_progress->SetWidthP(prog * 100.f);
+        app_redraw();
+        async_update();
+        async_end();
+    });
+    parallel_for(abr.m_patterns.size(), [&](size_t i)
+    //for (const auto& patt : abr.m_patterns)
+    {
+        auto ii = abr.m_patterns.begin();
+        std::advance(ii, i);
+        const auto& patt = *ii;
+        std::string path_high = App::I.data_path + "/patterns/" + patt.first + ".png";
+        std::string path_thumb = App::I.data_path + "/patterns/thumbs/" + patt.first + ".png";
+        patt.second->save(path_high);
+        auto thumb = patt.second->resize(64, 64);
+        thumb.save(path_thumb);
+        
+        async_start();
+        count++;
+        float prog = (float)count / (float)tot;
+        pb->m_progress->SetWidthP(prog * 100.f);
+        app_redraw();
+        async_update();
+        async_end();
+    });
+    auto brushes = abr.compute_brushes(App::I.data_path);
+    for (const auto& pr : brushes)
+    {
+        auto presets = App::I.stroke->m_presets_popup;
+        async_start();
+        if (pr->load())
+        {
+            LOG("add preset %s", pr->m_name.c_str());
+            presets->add_brush(pr);
+        }
+        count++;
+        float prog = (float)count / (float)tot;
+        pb->m_progress->SetWidthP(prog * 100.f);
+        app_redraw();
+        async_update();
+        async_end();
+    }
+
+    async_start();
+    pb->destroy();
+    app_redraw();
+    async_update();
+    async_end();
+    //save();
+}
+
 void NodePanelStroke::update_controls()
 {
     const auto& b = Canvas::I->m_current_brush;
@@ -124,7 +235,7 @@ void NodePanelStroke::init_controls()
     m_presets_popup->create();
     m_presets_popup->loaded();
     m_presets_popup->SetPositioning(YGPositionTypeAbsolute);
-    m_presets_popup->SetSize(200, 400);
+    m_presets_popup->SetSize(300, 400);
     m_presets_popup->m_mouse_ignore = false;
     m_presets_popup->m_flood_events = true;
     m_presets_popup->m_capture_children = false;
@@ -182,6 +293,7 @@ void NodePanelStroke::init_controls()
             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 02d8bb4..5ef07b4 100644
--- a/src/node_panel_stroke.h
+++ b/src/node_panel_stroke.h
@@ -92,6 +92,7 @@ public:
     virtual Node* clone_instantiate() const override;
     virtual void clone_finalize(Node* dest) const override;
     virtual void init() override;
+    bool import_abr(const std::string& path);
     void init_controls();
     void update_controls();