diff --git a/src/gui_qt/_py/tnmh_dialog.py b/src/gui_qt/_py/tnmh_dialog.py
index c698e63..58933b0 100644
--- a/src/gui_qt/_py/tnmh_dialog.py
+++ b/src/gui_qt/_py/tnmh_dialog.py
@@ -14,14 +14,9 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
         Dialog.setObjectName("Dialog")
-        Dialog.resize(1176, 714)
+        Dialog.resize(842, 683)
         self.gridLayout = QtWidgets.QGridLayout(Dialog)
         self.gridLayout.setObjectName("gridLayout")
-        self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
-        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
-        self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
-        self.buttonBox.setObjectName("buttonBox")
-        self.gridLayout.addWidget(self.buttonBox, 2, 3, 1, 1)
         self.graphicsView = PlotWidget(Dialog)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.MinimumExpanding)
         sizePolicy.setHorizontalStretch(0)
@@ -29,60 +24,24 @@ class Ui_Dialog(object):
         sizePolicy.setHeightForWidth(self.graphicsView.sizePolicy().hasHeightForWidth())
         self.graphicsView.setSizePolicy(sizePolicy)
         self.graphicsView.setObjectName("graphicsView")
-        self.gridLayout.addWidget(self.graphicsView, 0, 3, 1, 1)
+        self.gridLayout.addWidget(self.graphicsView, 0, 2, 1, 1)
         self.graphicsView_2 = PlotWidget(Dialog)
         self.graphicsView_2.setObjectName("graphicsView_2")
-        self.gridLayout.addWidget(self.graphicsView_2, 1, 3, 1, 1)
-        self.formLayout = QtWidgets.QFormLayout()
-        self.formLayout.setObjectName("formLayout")
+        self.gridLayout.addWidget(self.graphicsView_2, 1, 2, 1, 1)
+        self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
+        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
+        self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
+        self.buttonBox.setObjectName("buttonBox")
+        self.gridLayout.addWidget(self.buttonBox, 3, 2, 1, 1)
         self.label = QtWidgets.QLabel(Dialog)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.Preferred)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.label.sizePolicy().hasHeightForWidth())
+        self.label.setSizePolicy(sizePolicy)
+        self.label.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignTop)
         self.label.setObjectName("label")
-        self.formLayout.setWidget(1, QtWidgets.QFormLayout.LabelRole, self.label)
-        self.lineEdit = QtWidgets.QLineEdit(Dialog)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Fixed)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.lineEdit.sizePolicy().hasHeightForWidth())
-        self.lineEdit.setSizePolicy(sizePolicy)
-        self.lineEdit.setObjectName("lineEdit")
-        self.formLayout.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.lineEdit)
-        self.label_2 = QtWidgets.QLabel(Dialog)
-        self.label_2.setObjectName("label_2")
-        self.formLayout.setWidget(2, QtWidgets.QFormLayout.LabelRole, self.label_2)
-        self.lineEdit_3 = QtWidgets.QLineEdit(Dialog)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Fixed)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.lineEdit_3.sizePolicy().hasHeightForWidth())
-        self.lineEdit_3.setSizePolicy(sizePolicy)
-        self.lineEdit_3.setObjectName("lineEdit_3")
-        self.formLayout.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.lineEdit_3)
-        self.label_3 = QtWidgets.QLabel(Dialog)
-        self.label_3.setObjectName("label_3")
-        self.formLayout.setWidget(3, QtWidgets.QFormLayout.LabelRole, self.label_3)
-        self.lineEdit_2 = QtWidgets.QLineEdit(Dialog)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Fixed)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.lineEdit_2.sizePolicy().hasHeightForWidth())
-        self.lineEdit_2.setSizePolicy(sizePolicy)
-        self.lineEdit_2.setObjectName("lineEdit_2")
-        self.formLayout.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.lineEdit_2)
-        self.label_4 = QtWidgets.QLabel(Dialog)
-        self.label_4.setObjectName("label_4")
-        self.formLayout.setWidget(4, QtWidgets.QFormLayout.LabelRole, self.label_4)
-        self.lineEdit_4 = QtWidgets.QLineEdit(Dialog)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Fixed)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.lineEdit_4.sizePolicy().hasHeightForWidth())
-        self.lineEdit_4.setSizePolicy(sizePolicy)
-        self.lineEdit_4.setObjectName("lineEdit_4")
-        self.formLayout.setWidget(4, QtWidgets.QFormLayout.FieldRole, self.lineEdit_4)
-        self.pushButton_2 = QtWidgets.QPushButton(Dialog)
-        self.pushButton_2.setObjectName("pushButton_2")
-        self.formLayout.setWidget(0, QtWidgets.QFormLayout.SpanningRole, self.pushButton_2)
-        self.gridLayout.addLayout(self.formLayout, 0, 1, 2, 1)
+        self.gridLayout.addWidget(self.label, 2, 2, 1, 1)
         self.verticalLayout = QtWidgets.QVBoxLayout()
         self.verticalLayout.setObjectName("verticalLayout")
         self.listWidget = QtWidgets.QListWidget(Dialog)
@@ -96,15 +55,27 @@ class Ui_Dialog(object):
         self.pushButton = QtWidgets.QPushButton(Dialog)
         self.pushButton.setObjectName("pushButton")
         self.verticalLayout.addWidget(self.pushButton)
-        self.listWidget_2 = QtWidgets.QListWidget(Dialog)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Maximum)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.listWidget_2.sizePolicy().hasHeightForWidth())
-        self.listWidget_2.setSizePolicy(sizePolicy)
-        self.listWidget_2.setObjectName("listWidget_2")
-        self.verticalLayout.addWidget(self.listWidget_2)
-        self.gridLayout.addLayout(self.verticalLayout, 0, 0, 2, 1)
+        self.pushButton_2 = QtWidgets.QPushButton(Dialog)
+        self.pushButton_2.setObjectName("pushButton_2")
+        self.verticalLayout.addWidget(self.pushButton_2)
+        self.horizontalLayout = QtWidgets.QHBoxLayout()
+        self.horizontalLayout.setObjectName("horizontalLayout")
+        self.label_2 = QtWidgets.QLabel(Dialog)
+        self.label_2.setObjectName("label_2")
+        self.horizontalLayout.addWidget(self.label_2)
+        self.comboBox = QtWidgets.QComboBox(Dialog)
+        self.comboBox.setObjectName("comboBox")
+        self.comboBox.addItem("")
+        self.comboBox.addItem("")
+        self.comboBox.addItem("")
+        self.comboBox.addItem("")
+        self.comboBox.addItem("")
+        self.horizontalLayout.addWidget(self.comboBox)
+        self.verticalLayout.addLayout(self.horizontalLayout)
+        self.pushButton_3 = QtWidgets.QPushButton(Dialog)
+        self.pushButton_3.setObjectName("pushButton_3")
+        self.verticalLayout.addWidget(self.pushButton_3)
+        self.gridLayout.addLayout(self.verticalLayout, 0, 0, 3, 1)
 
         self.retranslateUi(Dialog)
         self.buttonBox.accepted.connect(Dialog.accept) # type: ignore
@@ -113,11 +84,15 @@ class Ui_Dialog(object):
 
     def retranslateUi(self, Dialog):
         _translate = QtCore.QCoreApplication.translate
-        Dialog.setWindowTitle(_translate("Dialog", "Dialog"))
-        self.label.setText(_translate("Dialog", "τ<sub>g</sub> / s"))
-        self.label_2.setText(_translate("Dialog", "β"))
-        self.label_3.setText(_translate("Dialog", "ΔH/R / K"))
-        self.label_4.setText(_translate("Dialog", "x"))
-        self.pushButton_2.setText(_translate("Dialog", "Fictive Cp"))
+        Dialog.setWindowTitle(_translate("Dialog", "SImba, everything the light touches is our kingdom"))
+        self.label.setText(_translate("Dialog", "sdff"))
         self.pushButton.setText(_translate("Dialog", "Calculate Tg"))
+        self.pushButton_2.setText(_translate("Dialog", "Fictive Cp"))
+        self.label_2.setText(_translate("Dialog", "Tg for TNMH"))
+        self.comboBox.setItemText(0, _translate("Dialog", "Fictive"))
+        self.comboBox.setItemText(1, _translate("Dialog", "Onset"))
+        self.comboBox.setItemText(2, _translate("Dialog", "Midpoint"))
+        self.comboBox.setItemText(3, _translate("Dialog", "End"))
+        self.comboBox.setItemText(4, _translate("Dialog", "Inflection"))
+        self.pushButton_3.setText(_translate("Dialog", "Fit TNMH model"))
 from pyqtgraph import PlotWidget
diff --git a/src/gui_qt/dsc/glass_dialog.py b/src/gui_qt/dsc/glass_dialog.py
index a6d0776..5a23cc1 100644
--- a/src/gui_qt/dsc/glass_dialog.py
+++ b/src/gui_qt/dsc/glass_dialog.py
@@ -26,6 +26,7 @@ class TgCalculator(QtWidgets.QDialog, Ui_Dialog):
         self.limits = RegionItem(), RegionItem()
         for lim in self.limits:
             self.graphicsView.addItem(lim)
+        self._limitless = True
 
         self.add_sets()
 
@@ -88,9 +89,11 @@ class TgCalculator(QtWidgets.QDialog, Ui_Dialog):
 
             self._plots[key] = (data_plot, tg_plot, glass, liquid, tangent, fictive_cp, tnmh_fit)
 
-        dist = max_x - min_x
-        self.limits[0].setRegion((min_x, min_x+0.1*dist))
-        self.limits[1].setRegion((max_x-0.1*dist, max_x))
+        if self._limitless:
+            dist = max_x - min_x
+            self.limits[0].setRegion((min_x, min_x+0.1*dist))
+            self.limits[1].setRegion((max_x-0.1*dist, max_x))
+            self._limitless = False
 
     @QtCore.pyqtSlot(name='on_pushButton_clicked')
     def calc_tg(self):
@@ -100,9 +103,10 @@ class TgCalculator(QtWidgets.QDialog, Ui_Dialog):
 
         for idx in range(self.listWidget.count()):
             item = self.listWidget.item(idx)
-            key = item.data(QtCore.Qt.UserRole)
-            color = item.foreground()
+            if item.checkState() == QtCore.Qt.Unchecked:
+                continue
 
+            key = item.data(QtCore.Qt.UserRole)
             plot = self._plots[key]
             data = self._dsc[key]
 
@@ -118,10 +122,15 @@ class TgCalculator(QtWidgets.QDialog, Ui_Dialog):
         values = self._tg_value.get(item.data(QtCore.Qt.UserRole))
 
         if values is not None:
-            self.listWidget_2.clear()
-            for name, pos in values.items():
-                tg_item = QtWidgets.QListWidgetItem(f'{name.capitalize()}: {pos[0]:.2f} K')
-                self.listWidget_2.addItem(tg_item)
+            label = '\n'.join((f'{name.capitalize()}: {pos[0]:.2f} K' for name, pos in values.items()))
+            self.label.setText(label)
+
+    @QtCore.pyqtSlot(QtWidgets.QListWidgetItem, name='on_listWidget_itemChanged')
+    def change_visibility(self, item: QtWidgets.QListWidgetItem):
+        is_checked = bool(item.checkState())
+        plot = self._plots[item.data(QtCore.Qt.UserRole)]
+        for val in plot:
+            val.setVisible(is_checked)
 
     @QtCore.pyqtSlot(name='on_pushButton_2_clicked')
     def get_fictive(self):
@@ -131,10 +140,13 @@ class TgCalculator(QtWidgets.QDialog, Ui_Dialog):
 
         for idx in range(self.listWidget.count()):
             item = self.listWidget.item(idx)
-            key = item.data(QtCore.Qt.UserRole)
+            if item.checkState() == QtCore.Qt.Unchecked:
+                continue
 
+            key = item.data(QtCore.Qt.UserRole)
             plot = self._plots[key]
             data = self._dsc[key]
+
             cp, tg = data.get_fictive_cp(*baselines)
 
             plot[5].setData(cp.x, cp.y)
@@ -143,7 +155,7 @@ class TgCalculator(QtWidgets.QDialog, Ui_Dialog):
 
             plot[1].setData(array(list(self._tg_value[key].values())))
 
-            res = data.calculate_tnmh([60, 0.5, 1, 2e5], *baselines, return_fictive=False)
+            res = cp.calculate_tnmh([60, 0.5, 1, 2e5], *baselines, return_fictive=False)
             print(res.pprint())
             plot[-1].setData(res.x, res.y)
 
diff --git a/src/resources/_ui/tnmh_dialog.ui b/src/resources/_ui/tnmh_dialog.ui
index c57d7ba..1367664 100644
--- a/src/resources/_ui/tnmh_dialog.ui
+++ b/src/resources/_ui/tnmh_dialog.ui
@@ -6,25 +6,15 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1176</width>
-    <height>714</height>
+    <width>842</width>
+    <height>683</height>
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>SImba, everything the light touches is our kingdom</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
-   <item row="2" column="3">
-    <widget class="QDialogButtonBox" name="buttonBox">
-     <property name="orientation">
-      <enum>Qt::Horizontal</enum>
-     </property>
-     <property name="standardButtons">
-      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
-     </property>
-    </widget>
-   </item>
-   <item row="0" column="3">
+   <item row="0" column="2">
     <widget class="PlotWidget" name="graphicsView">
      <property name="sizePolicy">
       <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
@@ -34,89 +24,36 @@
      </property>
     </widget>
    </item>
-   <item row="1" column="3">
+   <item row="1" column="2">
     <widget class="PlotWidget" name="graphicsView_2"/>
    </item>
-   <item row="0" column="1" rowspan="2">
-    <layout class="QFormLayout" name="formLayout">
-     <item row="1" column="0">
-      <widget class="QLabel" name="label">
-       <property name="text">
-        <string>τ&lt;sub&gt;g&lt;/sub&gt; / s</string>
-       </property>
-      </widget>
-     </item>
-     <item row="1" column="1">
-      <widget class="QLineEdit" name="lineEdit">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-      </widget>
-     </item>
-     <item row="2" column="0">
-      <widget class="QLabel" name="label_2">
-       <property name="text">
-        <string>β</string>
-       </property>
-      </widget>
-     </item>
-     <item row="2" column="1">
-      <widget class="QLineEdit" name="lineEdit_3">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-      </widget>
-     </item>
-     <item row="3" column="0">
-      <widget class="QLabel" name="label_3">
-       <property name="text">
-        <string>ΔH/R / K</string>
-       </property>
-      </widget>
-     </item>
-     <item row="3" column="1">
-      <widget class="QLineEdit" name="lineEdit_2">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-      </widget>
-     </item>
-     <item row="4" column="0">
-      <widget class="QLabel" name="label_4">
-       <property name="text">
-        <string>x</string>
-       </property>
-      </widget>
-     </item>
-     <item row="4" column="1">
-      <widget class="QLineEdit" name="lineEdit_4">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-      </widget>
-     </item>
-     <item row="0" column="0" colspan="2">
-      <widget class="QPushButton" name="pushButton_2">
-       <property name="text">
-        <string>Fictive Cp</string>
-       </property>
-      </widget>
-     </item>
-    </layout>
+   <item row="3" column="2">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
    </item>
-   <item row="0" column="0" rowspan="2">
+   <item row="2" column="2">
+    <widget class="QLabel" name="label">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string>sdff</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="0" rowspan="3">
     <layout class="QVBoxLayout" name="verticalLayout">
      <item>
       <widget class="QListWidget" name="listWidget">
@@ -136,12 +73,56 @@
       </widget>
      </item>
      <item>
-      <widget class="QListWidget" name="listWidget_2">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Maximum" vsizetype="Maximum">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
+      <widget class="QPushButton" name="pushButton_2">
+       <property name="text">
+        <string>Fictive Cp</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout">
+       <item>
+        <widget class="QLabel" name="label_2">
+         <property name="text">
+          <string>Tg for TNMH</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QComboBox" name="comboBox">
+         <item>
+          <property name="text">
+           <string>Fictive</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>Onset</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>Midpoint</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>End</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>Inflection</string>
+          </property>
+         </item>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pushButton_3">
+       <property name="text">
+        <string>Fit TNMH model</string>
        </property>
       </widget>
      </item>