[Bf-extensions-cvs] [cbc98868] master: Revert "3D-Print: fix error using evaluated mesh as obj data"

[Mikhail Rachinskiy]

Commit: cbc98868ed4204784fa7813416e377683e64f332
Author: Mikhail Rachinskiy
Date:   Wed Oct 16 12:32:27 2019 +0400
Branches: master
https://developer.blender.org/rBAcbc98868ed4204784fa7813416e377683e64f332

Revert "3D-Print: fix error using evaluated mesh as obj data"

This reverts commit 16b4498b6899ec23923235288218fea0dcb2ea15.
First need to push to 2.81 release branch and then merge to master.

===================================================================

M	object_print3d_utils/mesh_helpers.py

===================================================================

diff --git a/object_print3d_utils/mesh_helpers.py b/object_print3d_utils/mesh_helpers.py
index 37170e53..bb0230e5 100644
--- a/object_print3d_utils/mesh_helpers.py
+++ b/object_print3d_utils/mesh_helpers.py
@@ -228,7 +228,7 @@ def object_merge(context, objects):
 
         # convert each to a mesh
         obj_eval = obj.evaluated_get(depsgraph)
-        mesh_new = obj_eval.to_mesh().copy()
+        mesh_new = obj_eval.to_mesh()
 
         # remove non-active uvs/vcols
         cd_remove_all_but_active(mesh_new.vertex_colors)
@@ -245,7 +245,6 @@ def object_merge(context, objects):
 
         bpy.ops.object.join(override)
 
-        bpy.data.meshes.remove(mesh_new)
         obj_eval.to_mesh_clear()
 
     layer.update()