Of course, the part of the video that shows the pencil moving underneath the cube is down to clever editing (no-one's drawing ...

To achieve this, the discs were 3D printed, along with a central housing containing two 12 volt gear motors. 3D printed gears are used to allow both discs to rotate about the same axis.

The light fittings look like 3D cubes from the distance but are actually ... drawing them in to unveil its secrets.' Another optical illusion baffled the internet recently as people struggled ...

Can you spot the hidden cube in this tricky optical illusion?(Facebook/ Minion Quotes) (Also read: Think your eyesight is perfect? Count all the cats in this tricky optical illusion to prove it ...

Optical illusions have long been a popular pastime on the internet, captivating users with their tricky visual puzzles. These ...