- 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/cncjob/CNCJobGenPrefGroupUI.py

@@ -1,7 +1,7 @@
 from PyQt6 import QtWidgets
 
 from appGUI.GUIElements import FCCheckBox, RadioSet, FCSpinner, FCDoubleSpinner, FCSliderWithSpinner, FCColorEntry, \
-    FCLabel
+    FCLabel, FCGridLayout
 from appGUI.preferences.OptionsGroupUI import OptionsGroupUI
 import gettext
 import appTranslation as fcTranslate
@@ -24,7 +24,7 @@ class CNCJobGenPrefGroupUI(OptionsGroupUI):
         self.plot_options_label = FCLabel("<b>%s:</b>" % _("Plot Options"))
         self.layout.addWidget(self.plot_options_label)
 
-        grid0 = QtWidgets.QGridLayout()
+        grid0 = FCGridLayout(v_spacing=3)
         self.layout.addLayout(grid0)
         grid0.setColumnStretch(0, 0)
         grid0.setColumnStretch(1, 1)