diff --git a/lib/Slic3r/Format/AMF.pm b/lib/Slic3r/Format/AMF.pm
index 369503c78..ce3fbb474 100644
--- a/lib/Slic3r/Format/AMF.pm
+++ b/lib/Slic3r/Format/AMF.pm
@@ -56,6 +56,7 @@ sub write_file {
         }
         printf $fh qq{  </material>\n};
     }
+    my $instances = '';
     for my $object_id (0 .. $#{ $model->objects }) {
         my $object = $model->objects->[$object_id];
         printf $fh qq{  <object id="%d">\n}, $object_id;
@@ -76,13 +77,27 @@ sub write_file {
                 (!defined $volume->material_id) ? '' : (sprintf ' materialid="%s"', $volume->material_id);
             foreach my $facet (@{$volume->facets}) {
                 printf $fh qq{        <triangle>\n};
-                printf $fh qq{          <v%d>%d</v%d>\n}, $_, $facet->[$_], $_ for -3..-1;
+                printf $fh qq{          <v%d>%d</v%d>\n}, (4+$_), $facet->[$_], (4+$_) for -3..-1;
                 printf $fh qq{        </triangle>\n};
             }
             printf $fh qq{      </volume>\n};
         }
         printf $fh qq{    </mesh>\n};
         printf $fh qq{  </object>\n};
+        if ($object->instances) {
+            foreach my $instance (@{$object->instances}) {
+                $instances .= sprintf qq{    <instance objectid="%d">\n}, $object_id;
+                $instances .= sprintf qq{      <deltax>%s</deltax>\n}, $instance->offset->[X];
+                $instances .= sprintf qq{      <deltax>%s</deltax>\n}, $instance->offset->[Y];
+                $instances .= sprintf qq{      <rz>%s</rz>\n}, $instance->rotation;
+                $instances .= sprintf qq{    </instance>\n};
+            }
+        }
+    }
+    if ($instances) {
+        printf $fh qq{  <constellation id="1">\n};
+        printf $fh $instances;
+        printf $fh qq{  </constellation>\n};
     }
     printf $fh qq{</amf>\n};
     close $fh;
diff --git a/lib/Slic3r/GUI.pm b/lib/Slic3r/GUI.pm
index 09d1071ea..887d35320 100644
--- a/lib/Slic3r/GUI.pm
+++ b/lib/Slic3r/GUI.pm
@@ -22,6 +22,10 @@ use constant MI_REPEAT_QUICK  => &Wx::NewId;
 use constant MI_QUICK_SAVE_AS => &Wx::NewId;
 use constant MI_SLICE_SVG     => &Wx::NewId;
 
+use constant MI_PLATER_EXPORT_GCODE => &Wx::NewId;
+use constant MI_PLATER_EXPORT_STL   => &Wx::NewId;
+use constant MI_PLATER_EXPORT_AMF   => &Wx::NewId;
+
 use constant MI_TAB_PLATER    => &Wx::NewId;
 use constant MI_TAB_PRINT     => &Wx::NewId;
 use constant MI_TAB_FILAMENT  => &Wx::NewId;
@@ -98,6 +102,17 @@ sub OnInit {
         EVT_MENU($frame, wxID_EXIT, sub {$_[0]->Close(0)});
     }
     
+    # Plater menu
+    my $platerMenu = Wx::Menu->new;
+    {
+        $platerMenu->Append(MI_PLATER_EXPORT_GCODE, "Export G-code...", 'Export current plate as G-code');
+        $platerMenu->Append(MI_PLATER_EXPORT_STL, "Export STL...", 'Export current plate as STL');
+        $platerMenu->Append(MI_PLATER_EXPORT_AMF, "Export AMF...", 'Export current plate as AMF');
+        EVT_MENU($frame, MI_PLATER_EXPORT_GCODE, sub { $self->{skeinpanel}{plater}->export_gcode });
+        EVT_MENU($frame, MI_PLATER_EXPORT_STL, sub { $self->{skeinpanel}{plater}->export_stl });
+        EVT_MENU($frame, MI_PLATER_EXPORT_AMF, sub { $self->{skeinpanel}{plater}->export_amf });
+    }
+    
     # Window menu
     my $windowMenu = Wx::Menu->new;
     {
@@ -128,6 +143,7 @@ sub OnInit {
     {
         my $menubar = Wx::MenuBar->new;
         $menubar->Append($fileMenu, "&File");
+        $menubar->Append($platerMenu, "&Plater");
         $menubar->Append($windowMenu, "&Window");
         $menubar->Append($helpMenu, "&Help");
         $frame->SetMenuBar($menubar);
diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index 2efb7e018..a1b8c3406 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -631,23 +631,39 @@ sub on_export_failed {
 sub export_stl {
     my $self = shift;
         
-    # select output file
+    my $output_file = $self->_get_export_file('STL') or return;
+    Slic3r::Format::STL->write_file($output_file, $self->make_model, binary => 1);
+    $self->statusbar->SetStatusText("STL file exported to $output_file");
+}
+
+sub export_amf {
+    my $self = shift;
+        
+    my $output_file = $self->_get_export_file('AMF') or return;
+    Slic3r::Format::AMF->write_file($output_file, $self->make_model);
+    $self->statusbar->SetStatusText("AMF file exported to $output_file");
+}
+
+sub _get_export_file {
+    my $self = shift;
+    my ($format) = @_;
+    
+    my $suffix = $format eq 'STL' ? '.stl' : '.amf.xml';
+    
     my $output_file = $main::opt{output};
     {
         $output_file = $self->{print}->expanded_output_filepath($output_file);
-        $output_file =~ s/\.gcode$/.stl/i;
-        my $dlg = Wx::FileDialog->new($self, 'Save STL file as:', dirname($output_file),
+        $output_file =~ s/\.gcode$/$suffix/i;
+        my $dlg = Wx::FileDialog->new($self, "Save $format file as:", dirname($output_file),
             basename($output_file), $Slic3r::GUI::SkeinPanel::model_wildcard, wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
         if ($dlg->ShowModal != wxID_OK) {
             $dlg->Destroy;
-            return;
+            return undef;
         }
         $output_file = $Slic3r::GUI::SkeinPanel::last_output_file = $dlg->GetPath;
         $dlg->Destroy;
     }
-    
-    Slic3r::Format::STL->write_file($output_file, $self->make_model, binary => 1);
-    $self->statusbar->SetStatusText("STL file exported to $output_file");
+    return $output_file;
 }
 
 sub make_model {