Question: How do I scratch the acrylic glass to make it frosted ?
Options:
Rub a paper towel on one side of the acrylic glass to render it frosted.
Rub  120 grit sandpaper on one side of the acrylic glass to render it frosted.
Answer: Rub  120 grit sandpaper on one side of the acrylic glass to render it frosted.