New answers tagged terminology
It is called a Laurel Wreath: https://en.wikipedia.org/wiki/Laurel_wreath
Wow; I did a bit of a search and I cannot find a term for it either. I am assuming what you are thinking of is what they do in games when new levels are not yet released such as AngryBirds: One game simply uses a cloud with something shiny peeking out from underneath. Another way would possibly be a dotted line around a grayed out product. I could ...
This effect is referred to as "low-poly." The name comes from 3D models with a low number of polygons. Search for low poly and you will find a lot of examples, tutorials, etc. as this style has been somewhat in vogue lately.
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