I've seen it although I don't remember a specific video reference.
Here's a similar trick with a base pattern of inverted box - https://youtu.be/oJ6HbUm9sW8?start=135 (starts at 2:15)
by noslowerdna, in response to this post 2015-12-05 07:09:56
↧
Post by noslowerdna
↧