Someone using a Windows 10 system with onboard Intel graphics and an nVidia RTX card asked how to force binvox to use the nVidia card.

This can be set in the nVidia control panel:

For other brand cards, check out these pages:

https://winaero.com/set-preferred-gpu-apps-windows-10/

https://www.tenforums.com/tutorials/103965-set-preferred-gpu-apps-windows-10-a.html

https://answers.microsoft.com/en-us/windows/forum/windows_10-hardware/select-gpu-to-use-by-specific-applications/eb671f52-5c24-428d-a7a0-02a36e91ee2f