When faces of a 3D model overlap the surface will flicker in VR.
In SketchUp, you can modify the model to fix overlapping faces and eliminate flickering by separating the surface (in most cases, 1-2mm will do).
When faces of a 3D model overlap the surface will flicker in VR.
In SketchUp, you can modify the model to fix overlapping faces and eliminate flickering by separating the surface (in most cases, 1-2mm will do).