diff --git a/mdlviewer/include/fullmodelviewer.h b/mdlviewer/include/fullmodelviewer.h
index 19875c2..d9a3045 100644
--- a/mdlviewer/include/fullmodelviewer.h
+++ b/mdlviewer/include/fullmodelviewer.h
@@ -14,19 +14,27 @@ public:
 Q_SIGNALS:
     void gearChanged();
 
-public Q_SLOTS:
+  public Q_SLOTS:
     void clear();
-    void addGear(GearInfo& info);
+    void addGear(GearInfo &info);
 
-private Q_SLOTS:
+  private Q_SLOTS:
     void reloadGear();
 
-private:
+  private:
+    void updateHeightScaling(float scale);
+    void updateBustScaling(float scale);
+    void updateCharacterParameters();
+
     std::optional<GearInfo> topSlot;
-    std::optional<GearInfo> bottomSlot;\
+    std::optional<GearInfo> bottomSlot;
 
-    GearView* gearView = nullptr;
-    QComboBox* raceCombo, *genderCombo;
+    GearView *gearView = nullptr;
+    QComboBox *raceCombo, *genderCombo;
 
-    GameData* data = nullptr;
+    GameData *data = nullptr;
+    physis_CMP cmp;
+
+    float heightScale = 0.5f;
+    float bustScale = 0.5f;
 };
\ No newline at end of file
diff --git a/mdlviewer/src/fullmodelviewer.cpp b/mdlviewer/src/fullmodelviewer.cpp
index 2dd9c41..053c070 100644
--- a/mdlviewer/src/fullmodelviewer.cpp
+++ b/mdlviewer/src/fullmodelviewer.cpp
@@ -1,34 +1,68 @@
 #include "fullmodelviewer.h"
 
-#include "magic_enum.hpp"
 #include "boneeditor.h"
+#include "magic_enum.hpp"
+#include <QFormLayout>
+#include <QGroupBox>
 #include <QVBoxLayout>
 
 FullModelViewer::FullModelViewer(GameData *data) : data(data) {
-    setWindowTitle("Full Model Viewer");
-    setMinimumWidth(640);
-    setMinimumHeight(480);
+  setWindowTitle("Full Model Viewer");
+  setMinimumWidth(640);
+  setMinimumHeight(480);
 
-    auto layout = new QVBoxLayout();
-    setLayout(layout);
+  auto layout = new QVBoxLayout();
+  setLayout(layout);
 
-    gearView = new GearView(data);
+  cmp = physis_cmp_parse(
+      physis_gamedata_extract_file(data, "chara/xls/charamake/human.cmp"));
 
-    auto viewportLayout = new QHBoxLayout();
-    viewportLayout->addWidget(gearView, 1);
-    viewportLayout->addWidget(new BoneEditor(gearView));
-    layout->addLayout(viewportLayout);
+  gearView = new GearView(data);
+  updateCharacterParameters();
 
-    auto controlLayout = new QHBoxLayout();
-    layout->addLayout(controlLayout);
+  connect(gearView, &GearView::modelReloaded, this,
+          &FullModelViewer::updateCharacterParameters);
 
-    raceCombo = new QComboBox();
-    connect(raceCombo, qOverload<int>(&QComboBox::currentIndexChanged), [this](int index) {
-        gearView->setRace((Race)index);
-    });
-    controlLayout->addWidget(raceCombo);
+  auto viewportLayout = new QHBoxLayout();
+  viewportLayout->addWidget(gearView, 1);
+  layout->addLayout(viewportLayout);
 
-    for (auto [race, race_name] : magic_enum::enum_entries<Race>()) {
+  auto characterEditorWidget = new QWidget();
+  auto characterEditorLayout = new QFormLayout();
+  characterEditorWidget->setLayout(characterEditorLayout);
+
+  auto characterHeight = new QSlider();
+  characterHeight->setOrientation(Qt::Horizontal);
+  characterHeight->setSliderPosition(50);
+  connect(characterHeight, &QSlider::sliderMoved, this, [this](int position) {
+    const float scale = (float)position / 100.0f;
+    updateHeightScaling(scale);
+  });
+  characterEditorLayout->addRow("Height", characterHeight);
+
+  auto bustSize = new QSlider();
+  bustSize->setOrientation(Qt::Horizontal);
+  bustSize->setSliderPosition(50);
+  connect(bustSize, &QSlider::sliderMoved, this, [this](int position) {
+    const float scale = (float)position / 100.0f;
+    updateBustScaling(scale);
+  });
+  characterEditorLayout->addRow("Bust Size", bustSize);
+
+  auto tabWidget = new QTabWidget();
+  tabWidget->addTab(new BoneEditor(gearView), "Bone Editor");
+  tabWidget->addTab(characterEditorWidget, "Character Editor");
+  viewportLayout->addWidget(tabWidget);
+
+  auto controlLayout = new QHBoxLayout();
+  layout->addLayout(controlLayout);
+
+  raceCombo = new QComboBox();
+  connect(raceCombo, qOverload<int>(&QComboBox::currentIndexChanged),
+          [this](int index) { gearView->setRace((Race)index); });
+  controlLayout->addWidget(raceCombo);
+
+  for (auto [race, race_name] : magic_enum::enum_entries<Race>()) {
         raceCombo->addItem(race_name.data());
     }
 
@@ -95,4 +129,63 @@ void FullModelViewer::reloadGear() {
     }
 }
 
+void FullModelViewer::updateHeightScaling(float scale) {
+    auto &boneData = *gearView->part().skeleton;
+    for (int i = 0; i < boneData.num_bones; i++) {
+        const std::string_view name{boneData.bones[i].name};
+        if (name == "n_root") {
+          auto racialScaling = physis_cmp_get_racial_scaling_parameters(
+              cmp, gearView->currentRace, gearView->currentSubrace);
+
+          const float minSize = gearView->currentGender == Gender::Male
+                                    ? racialScaling.male_min_size
+                                    : racialScaling.female_min_size;
+          const float maxSize = gearView->currentGender == Gender::Male
+                                    ? racialScaling.male_max_size
+                                    : racialScaling.female_max_size;
+
+          const float size = glm::mix(minSize, maxSize, scale);
+
+          boneData.bones[i].scale[0] = size;
+          boneData.bones[i].scale[1] = size;
+          boneData.bones[i].scale[2] = size;
+
+          gearView->part().reloadRenderer();
+        }
+    }
+
+    heightScale = scale;
+}
+
+void FullModelViewer::updateBustScaling(float scale) {
+    auto &boneData = *gearView->part().skeleton;
+    for (int i = 0; i < boneData.num_bones; i++) {
+        const std::string_view name{boneData.bones[i].name};
+        if (name == "j_mune_l" || name == "j_mune_r") {
+          auto racialScaling = physis_cmp_get_racial_scaling_parameters(
+              cmp, gearView->currentRace, gearView->currentSubrace);
+
+          const float rangeX = glm::mix(racialScaling.bust_min_x,
+                                        racialScaling.bust_max_x, scale);
+          const float rangeY = glm::mix(racialScaling.bust_min_y,
+                                        racialScaling.bust_max_y, scale);
+          const float rangeZ = glm::mix(racialScaling.bust_min_z,
+                                        racialScaling.bust_max_z, scale);
+
+          boneData.bones[i].scale[0] = rangeX;
+          boneData.bones[i].scale[1] = rangeY;
+          boneData.bones[i].scale[2] = rangeZ;
+
+          gearView->part().reloadRenderer();
+        }
+    }
+
+    bustScale = scale;
+}
+
+void FullModelViewer::updateCharacterParameters() {
+    updateHeightScaling(heightScale);
+    updateBustScaling(bustScale);
+}
+
 #include "moc_fullmodelviewer.cpp"
\ No newline at end of file