Use light 3D visualization by default until the heavy one is ready

pronterface.py

@@ -203,7 +203,7 @@ class PronterWindow(MainWindow, pronsole.pronsole):
         self.settings._add(BooleanSetting("slic3rintegration", False, _("Enable Slic3r integration"), _("Add a menu to select Slic3r profiles directly from Pronterface"), "UI"))
         self.settings._add(ComboSetting("mainviz", "2D", ["2D", "3D", "None"], _("Main visualization"), _("Select visualization for main window."), "UI"))
         self.settings._add(BooleanSetting("viz3d", False, _("Use 3D in GCode viewer window"), _("Use 3D mode instead of 2D layered mode in the visualization window"), "UI"))
-        self.settings._add(BooleanSetting("light3d", False, _("Use a lighter 3D visualization"), _("Use a lighter visualization with simple lines instead of extruded paths for 3D viewer"), "UI"))
+        self.settings._add(BooleanSetting("light3d", True, _("Use a lighter 3D visualization"), _("Use a lighter visualization with simple lines instead of extruded paths for 3D viewer"), "UI"))
         self.settings._add(BooleanSetting("tempgraph", True, _("Display temperature graph"), _("Display time-lapse temperature graph"), "UI"))
         self.settings._add(BooleanSetting("tempgauges", False, _("Display temperature gauges"), _("Display graphical gauges for temperatures visualization"), "UI"))
         self.settings._add(BooleanSetting("lockbox", False, _("Display interface lock checkbox"), _("Display a checkbox that, when check, locks most of Pronterface"), "UI"))