diff --git a/mdlviewer/include/cmpeditor.h b/mdlviewer/include/cmpeditor.h
new file mode 100644
index 0000000..8f7c51a
--- /dev/null
+++ b/mdlviewer/include/cmpeditor.h
@@ -0,0 +1,47 @@
+#pragma once
+
+#include <QWidget>
+#include <physis.hpp>
+#include <QDoubleSpinBox>
+
+class RaceTreeData : public QObject {
+    Q_OBJECT
+public:
+    RaceTreeData(Race race, Subrace subrace) : race(race), subrace(subrace) {}
+
+    Race race;
+    Subrace subrace;
+};
+
+class CmpEditor : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit CmpEditor(GameData* data);
+
+private:
+    void loadRaceData(Race race, Subrace subrace);
+
+    GameData* data;
+    physis_CMP cmp;
+
+    QDoubleSpinBox* maleMinSize;
+    QDoubleSpinBox* maleMaxSize;
+
+    QDoubleSpinBox* maleMinTail;
+    QDoubleSpinBox* maleMaxTail;
+
+    QDoubleSpinBox* femaleMinSize;
+    QDoubleSpinBox* femaleMaxSize;
+
+    QDoubleSpinBox* femaleMinTail;
+    QDoubleSpinBox* femaleMaxTail;
+
+    QDoubleSpinBox* bustMinX;
+    QDoubleSpinBox* bustMinY;
+    QDoubleSpinBox* bustMinZ;
+
+    QDoubleSpinBox* bustMaxX;
+    QDoubleSpinBox* bustMaxY;
+    QDoubleSpinBox* bustMaxZ;
+};
diff --git a/mdlviewer/src/cmpeditor.cpp b/mdlviewer/src/cmpeditor.cpp
new file mode 100644
index 0000000..08170ab
--- /dev/null
+++ b/mdlviewer/src/cmpeditor.cpp
@@ -0,0 +1,180 @@
+#include "cmpeditor.h"
+
+#include <QTreeWidget>
+#include <QHBoxLayout>
+#include <QFormLayout>
+#include <QGroupBox>
+
+#include "magic_enum.hpp"
+
+// TODO: move this to physis
+struct RaceTree {
+    Race baseRace;
+    std::vector<Subrace> subRaces;
+};
+
+std::vector<RaceTree> raceTree = {
+        {
+            Race::Hyur,
+            {
+                Subrace::Midlander,
+                Subrace::Highlander
+            }
+        },
+        {
+            Race::Elezen,
+            {
+                Subrace::Wildwood,
+                Subrace::Duskwight
+            }
+        },
+        {
+            Race::Miqote,
+            {
+                Subrace::Seeker,
+                Subrace::Keeper
+            }
+        },
+        {
+            Race::Roegadyn,
+            {
+                Subrace::SeaWolf,
+                Subrace::Hellion
+            }
+        },
+        {
+            Race::Lalafell,
+            {
+                Subrace::Plainsfolk,
+                Subrace::Dunesfolk
+            }
+        },
+        {
+            Race::AuRa,
+            {
+                Subrace::Raen,
+                Subrace::Xaela
+            }
+        },
+        {
+            Race::Hrothgar,
+            {
+                Subrace::Hellion,
+                Subrace::Lost
+            }
+        },
+        {
+            Race::Viera,
+            {
+                Subrace::Rava,
+                Subrace::Veena
+            }
+        }
+};
+
+CmpEditor::CmpEditor(GameData* data) : data(data) {
+    auto layout = new QHBoxLayout();
+    setLayout(layout);
+
+    cmp = physis_cmp_parse(physis_gamedata_extract_file(data, "chara/xls/charamake/human.cmp"));
+
+    auto raceListWidget = new QTreeWidget();
+    raceListWidget->setMaximumWidth(200);
+    layout->addWidget(raceListWidget);
+
+    for(auto race : raceTree) {
+        auto item = new QTreeWidgetItem();
+        item->setText(0, magic_enum::enum_name(race.baseRace).data());
+        raceListWidget->addTopLevelItem(item);
+
+        for (auto subrace : race.subRaces) {
+            auto subItem = new QTreeWidgetItem();
+            subItem->setText(0, magic_enum::enum_name(subrace).data());
+            subItem->setData(0, Qt::UserRole, QVariant::fromValue(new RaceTreeData(race.baseRace, subrace)));
+            item->addChild(subItem);
+        }
+    }
+
+    raceListWidget->expandAll();
+
+    connect(raceListWidget, &QTreeWidget::itemClicked, [this](QTreeWidgetItem* item, int column) {
+        if (auto treeData = qvariant_cast<RaceTreeData*>(item->data(0, Qt::UserRole))) {
+            loadRaceData(treeData->race, treeData->subrace);
+        }
+    });
+
+    auto detailBox = new QGroupBox();
+    layout->addWidget(detailBox);
+    auto detailBoxLayout = new QFormLayout();
+    detailBox->setLayout(detailBoxLayout);
+
+    maleMinSize = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Male Min Size", maleMinSize);
+
+    maleMaxSize = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Male Max Size", maleMaxSize);
+
+    maleMinTail = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Male Min Tail", maleMinTail);
+
+    maleMaxTail = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Male Max Tail", maleMaxTail);
+
+    femaleMinSize = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Female Min Size", femaleMinSize);
+
+    femaleMaxSize = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Female Max Size", femaleMaxSize);
+
+    femaleMinTail = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Female Min Tail", femaleMinTail);
+
+    femaleMaxTail = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Female Max Tail", femaleMaxTail);
+
+    bustMinX = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Bust Min X", bustMinX);
+
+    bustMinY = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Bust Min Y", bustMinY);
+
+    bustMinZ = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Bust Min Z", bustMinZ);
+
+    bustMaxX = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Bust Max X", bustMaxX);
+
+    bustMaxY = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Bust Max Y", bustMaxY);
+
+    bustMaxZ = new QDoubleSpinBox();
+    detailBoxLayout->addRow("Bust Max Z", bustMaxZ);
+
+    loadRaceData(Race::Hyur, Subrace::Midlander);
+}
+
+void CmpEditor::loadRaceData(Race race, Subrace subrace) {
+    auto raceData = physis_cmp_get_racial_scaling_parameters(cmp, race, subrace);
+
+    maleMinSize->setValue(raceData.male_min_size);
+    maleMaxSize->setValue(raceData.male_max_size);
+
+    maleMinTail->setValue(raceData.male_min_tail);
+    maleMaxTail->setValue(raceData.male_max_tail);
+
+    femaleMinSize->setValue(raceData.female_min_size);
+    femaleMaxSize->setValue(raceData.female_max_size);
+
+    femaleMinTail->setValue(raceData.female_min_tail);
+    femaleMaxTail->setValue(raceData.female_max_tail);
+
+    bustMinX->setValue(raceData.bust_min_x);
+    bustMinY->setValue(raceData.bust_min_y);
+    bustMinY->setValue(raceData.bust_min_z);
+
+    bustMaxX->setValue(raceData.bust_max_x);
+    bustMaxY->setValue(raceData.bust_max_y);
+    bustMaxY->setValue(raceData.bust_max_z);
+}
+
+#include "moc_cmpeditor.cpp"
\ No newline at end of file