A quick video this morning showing how the iPhone app Twist produces its results. Looking straight down on top of a rotating pitcher plant. First with a decreasing circle slit and then a linear slit. The iPhone was clamped on a tripod. It's the hand held Nikon which is wobbling about!
Among other effects there is one where several random shapes expand while slicing the photo giving a more surreal effect:
February 18, 2018 - Pattern
49 minutes ago