5 3D Printed Optical Illusions That BREAK Your Brain! #3DPrinting #MindBlown

Ranking 5 mind-bending 3D printed optical illusions that will completely break your brain! At #5 is a hypnotic frozen spiral that constantly tricks your eyes. #4 is a digital sundial that casts actual digital numbers using sunlight and shadows! Coming in at #3 is an impossible floating sphere desk spinner that seems to defy gravity. #2 is a shape-shifting Springo slinky that switches between a square and a circle while shifting colors! Finally, #1 is the famous ambiguous arrow that refuses to point left no matter which way you turn it! Which optical illusion broke your brain the most? #3DPrinting #OpticalIllusion #MindBlown #Satisfying #3DPrinted #Maker #3DPrinter #Magic #DIY #ASMR