- created a new custom layout based on the Grid Layout where I can set the horizontal and vertical spacings between grid items and used it throughout the app

appGUI/preferences/geometry/GeometryAdvOptPrefGroupUI.py

@@ -1,7 +1,7 @@
 from PyQt6 import QtWidgets
 
 from appGUI.GUIElements import FCDoubleSpinner, FCCheckBox, RadioSet, FCLabel, NumericalEvalTupleEntry, \
-    NumericalEvalEntry, FCComboBox2
+    NumericalEvalEntry, FCComboBox2, FCGridLayout
 from appGUI.preferences.OptionsGroupUI import OptionsGroupUI
 
 import gettext
@@ -32,7 +32,7 @@ class GeometryAdvOptPrefGroupUI(OptionsGroupUI):
         )
         self.layout.addWidget(self.geo_label)
 
-        grid1 = QtWidgets.QGridLayout()
+        grid1 = FCGridLayout(v_spacing=3)
         self.layout.addLayout(grid1)
 
         # Size of trace segment on X axis