From 3e55603c1a8a1af3f33994d2b6f10d675c0c5225 Mon Sep 17 00:00:00 2001
From: Joseph Lenox <lordofhyphens@gmail.com>
Date: Tue, 5 Sep 2017 17:14:08 -0500
Subject: [PATCH] Re-added the ability to move part meshes relative to another
 part mesh in the same object. (#4119)

---
 lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm | 31 ++++++++++-------------
 1 file changed, 14 insertions(+), 17 deletions(-)

diff --git a/lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm b/lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm
index e0fe90f6e..453d9761c 100644
--- a/lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm
+++ b/lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm
@@ -297,23 +297,20 @@ sub selection_changed {
             # attach volume config to settings panel
             my $volume = $self->{model_object}->volumes->[ $itemData->{volume_id} ];
    
-            if ($volume->modifier) {
-                my $movers = $self->{optgroup_movers};
-                
-                my $obj_bb = $self->{model_object}->raw_bounding_box;
-                my $vol_bb = $volume->mesh->bounding_box;
-                my $vol_size = $vol_bb->size;
-                $movers->get_field('x')->set_range($obj_bb->x_min - $vol_size->x, $obj_bb->x_max);
-                $movers->get_field('y')->set_range($obj_bb->y_min - $vol_size->y, $obj_bb->y_max);  #,,
-                $movers->get_field('z')->set_range($obj_bb->z_min - $vol_size->z, $obj_bb->z_max);
-                $movers->get_field('x')->set_value($vol_bb->x_min);
-                $movers->get_field('y')->set_value($vol_bb->y_min);
-                $movers->get_field('z')->set_value($vol_bb->z_min);
-                
-                $self->{left_sizer}->Show($movers->sizer);
-            } else {
-                $self->{left_sizer}->Hide($self->{optgroup_movers}->sizer);
-            }
+            my $movers = $self->{optgroup_movers};
+            
+            my $obj_bb = $self->{model_object}->raw_bounding_box;
+            my $vol_bb = $volume->mesh->bounding_box;
+            my $vol_size = $vol_bb->size;
+            $movers->get_field('x')->set_range($obj_bb->x_min - $vol_size->x, $obj_bb->x_max);
+            $movers->get_field('y')->set_range($obj_bb->y_min - $vol_size->y, $obj_bb->y_max);  #,,
+            $movers->get_field('z')->set_range($obj_bb->z_min - $vol_size->z, $obj_bb->z_max);
+            $movers->get_field('x')->set_value($vol_bb->x_min);
+            $movers->get_field('y')->set_value($vol_bb->y_min);
+            $movers->get_field('z')->set_value($vol_bb->z_min);
+            
+            $self->{left_sizer}->Show($movers->sizer);
+
             $config = $volume->config;
             $self->{staticbox}->SetLabel('Part Settings');