Grayson SchlichtingHere is the product I used:
...and the LED after being inserted, then removed from the hole in the ping pong ball:
While the pictures do not really show it well, there were still obvious "freckles" on the bottom of the ball:
Pictures of using White Masking Spray
A project log for DoorBall
Living in a Residential Bldg with long hallways & doors that all look the same, I tell folks to look for the door with the multi-color Ball.
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