3d rendering empty neon cylinder podiums on dark background

round podium blue neon light futuristic platform sparkle tech cyber graphic present product dark background rendering empty cylinder podiums pedestal displayplatform designblank stand glow3d stage future presenting sci generative technology abstract circle design modern glow presentation bright laser room scene illustration dais glowing threedimensional display exhibition purple show space studio template digital effect ring energy blank concept horizontal illuminated science spotlight showcase led merchandise game minimal render shiny copy geometric electric three dimensional black shape portal digitally