What problem of copy & paste of group, lose the assigned material by object?

Rhino 5.14

copy & paste is normal to work, this problem occured on few day.

Is it have a any parameter to set?

thank you very much!

Hello- I am not sure I understand the problem - is this correct:

Make several objects, boxes, say.
Assign materials to the objects.
Group the objects.
Copy/paste the group. >>> material assignments are lost?

What is the current renderer, Rhino, or some other renderer?

Please run the SystemInfo command in Rhino and copy/paste the results here.


there is no systeminfo command on rhino 5

I use rhino 5 sr14 64bit + vray 2 & rhino 6sr28 + vray next 4.2.003 have same problem.

I create new file is no problem. The problem occured on old file and copy/paste the old file object to new file.

but, there is no problem on the another machine.

How can I fix it? Please help me to fix it.

Thank you very much!

Rhino 6 SR28 2020-7-17 (Rhino 6, 6.28.20199.17141, Git hash:master @ b1f15b655bd1f5ae0d3d3257e3efdeb0a45630e4)
License type: Commercial, build 2020-07-17
License details: Cloud Zoo. In use by:

Windows 7 SP1 (Physical RAM: 16Gb)
Machine name:

Hybrid graphics system.
Primary display: NVIDIA Quadro K4000 (NVidia) Memory: 3GB, Driver date: 12-6-2019 (M-D-Y).
Primary OpenGL: NVIDIA GeForce GTX TITAN (NVidia) Memory: 6GB, Driver date: 12-6-2019 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 441.66

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On

Anti-alias mode: 4x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: Height

Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 12-6-2019
Driver Version:
Maximum Texture size: 16384 x 16384
Z-Buffer depth: 24 bits
Maximum Viewport size: 16384 x 16384
Total Video Memory: 6 GB

Rhino plugins
C:\Program Files\Rhino 6\Plug-ins\Commands.rhp “Commands” 6.28.20199.17141
C:\Users…\AppData\Roaming\McNeel\Rhinoceros\6.0\Plug-ins\Thea For Rhino (0ab51401-0ca2-45e3-94e0-46d77b129353)\2018.3.18.0\Thea_V2\TheaForRhino.rhp “Thea For Rhino”
C:\Program Files\Rhino 6\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Bongo 2.0 (64-bit)\Rhino6\Bongo.20.rhp “Bongo 2.0”
C:\Program Files\Rhino 6\Plug-ins\RPC.rhp “RPC”
C:\Program Files\Rhino 6\Plug-ins\RhinoBonusTools.rhp “Rhino Bonus Tools”
C:\Program Files\Rhino 6\Plug-ins\AnimationTools.rhp “AnimationTools”
C:\Program Files\Rhino 6\Plug-ins\Tibidabo\Tibidabo.rhp “Tibidabo”
C:\Program Files\Rhino 6\Plug-ins\RhinoRender.rhp “Rhino Render”
C:\Program Files\Rhino 6\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 6.28.20199.17141
C:\Program Files\Rhino 6\Plug-ins\rdk_ui.rhp “Renderer Development Kit UI”
C:\Program Files\Common Files\McNeel\Rhinoceros\6.0\Plug-ins\PanelingTools (6caed836-bc06-4ebc-b1fd-e10886a0dc94)\2018.3.1.650\PanelingTools.rhp “PanelingTools”
C:\Program Files\Rhino 6\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Badger 1.0 (64-bit)\Badger.10.v60.x64.rhp “Badger”
C:\Program Files\ClayooRhino6\System\Clayoo.rhp “Clayoo” 2.6.18239.2
C:\Program Files\Rhino 6\Plug-ins\RhinoCycles.rhp “RhinoCycles” 6.28.20199.17141
C:\Program Files\Rhino 6\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 6.28.20199.17141
C:\Program Files\Rhino 6\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files (x86)\Evolute\EvoluteTools LITE for Rhino 6\EvoluteCoutHook.rhp “EvoluteCoutHook”
C:\Program Files\Chaos Group\V-Ray\V-Ray for Rhinoceros\V6\VRayForRhino.rhp “V-Ray for Rhino”
C:\Program Files\Rhino 6\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Common Files\McNeel\Rhinoceros\6.0\Plug-ins\SectionTools (fbdb1d7f-8cfb-42c1-9858-87cb6315932c)\2018.1.9.1166\SectionTools.rhp “SectionTools”

Anyone have a any idea to solve?

thank you very much!

Hello - sorry, but it it impossible for me to understand what, exactly, the problem is- please describe the steps to reproduce it. If as it seems the problem is related to material assignments, please tall me what the current render engine is - is that VRay?


yes, I use rhino 5 sr14 64bit + vray 2 & rhino 6sr28 + vray next 4.2.003 have same problem on using old file