Boolean not working

BooleanUnion not working in Rhino 8 Evaluation. Even simple Box + Cylinder union fails. OpenGL: 4.6, Driver: 32.0.101.8724 (Intel Arc) Windows 11, RAM: 31GB

Just says ‘Boolean union in progress… Press Esc to cancel’
How can I fix it?

Rhino 8 SR30 2026-4-13 (Rhino 8, 8.30.26103.11001, Git hash:master @ 3ad61623b0ac4561e2f13265580c56a9f50596d8) License type: Evaluation, build 2026-04-13 License details: Cloud Zoo Expires on: 2026-07-16

Windows 11 (10.0.26200 SR0.0) or greater (Physical RAM: 31GB)
.NET 8.0.14

Computer platform: DESKTOP

Standard graphics configuration.
Primary display and OpenGL: Intel(R) Arc™ Graphics (Intel) Memory: 2GB, Driver date: 4-16-2026 (M-D-Y). OpenGL Ver: 4.6.0 - Build 32.0.101.8724

Integrated graphics device with 4 adapter port(s)

  • Windows Main Display attached to adapter port 0

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
GPU Tessellation is: On
Redraw scene when viewports are exposed: On
Graphics level being used: OpenGL 4.6 (primary GPU’s maximum)

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

Vendor Name: Intel
Render version: 4.6
Shading Language: 4.60 - Build 32.0.101.8724
Driver Date: 4-16-2026
Driver Version: 32.0.101.8724
Maximum Texture size: 16384 x 16384
Z-Buffer depth: 24 bits
Maximum Viewport size: 16384 x 16384
Total Video Memory: 2097148 KB

Rhino plugins that do not ship with Rhino

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 8\Plug-ins\Commands.rhp “Commands” 8.30.26103.11001
C:\Program Files\Rhino 8\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 8\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 8.30.26103.11001
C:\Program Files\Rhino 8\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 8.30.26103.11001
C:\Program Files\Rhino 8\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 8\Plug-ins\MeshCommands.rhp “MeshCommands” 8.30.26103.11001
C:\Program Files\Rhino 8\Plug-ins\RhinoCycles.rhp “RhinoCycles” 8.30.26103.11001
C:\Program Files\Rhino 8\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 8.30.26103.11001
C:\Program Files\Rhino 8\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 8\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Rhino 8\Plug-ins\SectionTools.rhp “SectionTools”

Hi Jinseo,

Please post your Rhino file so people can see if they can reproduce your issue and identify the cause.