- 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/GeometryExpPrefGroupUI.py

@@ -1,6 +1,6 @@
 from PyQt6 import QtWidgets, QtCore
 
-from appGUI.GUIElements import FCLabel, FCComboBox
+from appGUI.GUIElements import FCLabel, FCComboBox, FCGridLayout
 from appGUI.preferences.OptionsGroupUI import OptionsGroupUI
 import gettext
 import appTranslation as fcTranslate
@@ -27,7 +27,7 @@ class GeometryExpPrefGroupUI(OptionsGroupUI):
         )
         self.layout.addWidget(self.export_options_label)
 
-        grid0 = QtWidgets.QGridLayout()
+        grid0 = FCGridLayout(v_spacing=3)
         grid0.setColumnStretch(0, 0)
         grid0.setColumnStretch(1, 1)
         self.layout.addLayout(grid0)