Winker Audi Material What To Use?

[Dropper]

Anyone know what exactly material to use or name to make Winker like these pictures? I already have custom made LED strip but I use transparent white folder. The result is when LED on, LED light is showing "dots light". I want just the whole white light by not showing LED dots light. (I dont want to buy after market winker, Im making fun on DIY)

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[Dropper]

have an idea... reflective film paper . The problem is where to buy for a retail price

 

[Dropper]

saw in youtube, cheap way is to use "white wax paper" for diffusion. Just wonder which of these two papers is best unless I got both. ..... DIY project continue