Could you drop screenshot here.
Hi KulkulThanks for your reply. Screenshot is attached here.
@cmcmchen You need to adjust the preview settings. Enable Background preview (Ctrl+B)
Kulkul, I've tried and still blank workspace
Kulkul Thanks for your reply. Open Dynamo directly, Background 3D preview option can be changed perfectly as your quick video. But if I open Dynamo within the Revit, the background 3D preview-show grid option does not working. I don't know why.