How can I enable the extrude point at gumball?

Why I lose it ? how can I enable it? thank you!

@ Rhino 7 sr 28

Make sure you’re using the latest update…

thank you for reply, rhino 7 sr 28 is the lastest version

anyone know that, thank you very much!

Does this happen in all files with any kind of object?

Yes, even new file and old file :pray:

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

Rhino 7 SR28 2023-2-27 (Rhino 7, 7.28.23058.03001, Git hash:master )
License type: 商業版, build 2023-02-27
License details: Cloud Zoo

Windows 10 (10.0.19045 SR0.0) or greater (Physical RAM: 16Gb)
Running on a virtual machine: VMware Virtual Platform

Computer platform: DESKTOP

Standard graphics configuration.
Primary display: VMware SVGA 3D (VMware, Inc.) Memory: 0MB, Driver date: 10-18-2019 (M-D-Y).
> External USB display device with 8 adapter port(s)
- Windows Main Display attached to adapter port #0
Primary OpenGL: SVGA3D; build: RELEASE; LLVM;: VMware, Inc… OpenGL Ver: 3.3 (Compatibility Profile) Mesa 19.1.0 (git-cee1f21471)
> No graphics device is being used for OpenGL

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On
Graphics level being used: OpenGL 3.3 (primary GPU’s maximum)

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

Vendor Name: VMware, Inc.
Render version: 3.3
Shading Language: 3.30
Driver Date: 10-18-2019
Driver Version: 8.16.7.5
Maximum Texture size: 16384 x 16384
Z-Buffer depth: 24 bits
Maximum Viewport size: 16384 x 16384
Total Video Memory: 3 GB

Rhino plugins that do not ship with Rhino

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 7\Plug-ins\Commands.rhp “Commands” 7.28.23058.3001
C:\Program Files\Rhino 7\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 7\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 7.28.23058.3001
C:\Program Files\Rhino 7\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 7.28.23058.3001
C:\Program Files\Rhino 7\Plug-ins\rdk_ui.rhp “Renderer Development Kit UI”
C:\Program Files\Rhino 7\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 7\Plug-ins\RhinoCycles.rhp “RhinoCycles” 7.28.23058.3001
C:\Program Files\Rhino 7\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 7.28.23058.3001
C:\Program Files\Rhino 7\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 7\Plug-ins\Displacement.rhp “Displacement”

Virtual machines are not supported.