Contact led 3D, type realistic : LIGHTWAVE r. 6 or more.
hint : the render is made more time because is physic and realistic if you want to make it faster (fake render) you can desactivate all 'led' light and
just use 'scintillement verre' light, light 1,2,2,4 and distant light. 21 surfaces, 21 lights, 67937 points. | 
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