diff --git a/lib/Slic3r/Config.pm b/lib/Slic3r/Config.pm
index f57eff59..7031dbd9 100644
--- a/lib/Slic3r/Config.pm
+++ b/lib/Slic3r/Config.pm
@@ -558,8 +558,8 @@ our $Options = {
         tooltip => 'Pattern used to generate support material.',
         cli     => 'support-material-pattern=s',
         type    => 'select',
-        values  => [qw(rectilinear honeycomb)],
-        labels  => [qw(rectilinear honeycomb)],
+        values  => [qw(rectilinear rectilinear-grid honeycomb)],
+        labels  => ['rectilinear', 'rectilinear grid', 'honeycomb'],
         default => 'rectilinear',
     },
     'support_material_spacing' => {
diff --git a/lib/Slic3r/Print/Object.pm b/lib/Slic3r/Print/Object.pm
index 248981c6..f628da2a 100644
--- a/lib/Slic3r/Print/Object.pm
+++ b/lib/Slic3r/Print/Object.pm
@@ -643,9 +643,15 @@ sub generate_support_material {
         my @support_material_areas = map $_->offset_ex(- 0.5 * $flow->scaled_width),
             @{union_ex([ map $_->contour, map @$_, values %layers ])};
         
-        my $filler = Slic3r::Fill->filler($Slic3r::Config->support_material_pattern);
-        $filler->angle($Slic3r::Config->support_material_angle);
-        {
+        my $pattern = $Slic3r::Config->support_material_pattern;
+        my @angles = ($Slic3r::Config->support_material_angle);
+        if ($pattern eq 'rectilinear-grid') {
+            $pattern = 'rectilinear';
+            push @angles, $angles[0] + 90;
+        }
+        my $filler = Slic3r::Fill->filler($pattern);
+        foreach my $angle (@angles) {
+            $filler->angle($angle);
             my @patterns = ();
             foreach my $expolygon (@support_material_areas) {
                 my @paths = $filler->fill_surface(