Render brim and skirt in 3D toolpaths preview. #2649

lib/Slic3r/GUI/Plater/3DPreview.pm

@@ -116,6 +116,9 @@ sub load_print {
     }
     
     if ($self->IsShown) {
+        # load skirt and brim
+        $self->canvas->load_print_toolpaths($self->print);
+        
         foreach my $object (@{$self->print->objects}) {
             $self->canvas->load_print_object_toolpaths($object);