Robot Magic

Chapter 7: CuberGoober

86

• Carefully and slowly remove the painter’s tape from the

other sides

(Figures

8

and

9

)

.

Let’s pause the build for a moment. Hold the cube with

your thumb and fingers, so that only three mixed sides are

visible to you

(Figure

10

)

. Now, turn the cube so that only

solved sides are visible to you

(Figure

11

)

. This movement

is the core of the illusion we are creating! By spinning the

cube 180 degrees on its diagonal axis, you can change an

apparently mixed cube to an apparently solved one. But

how can we make a servo do this for us? And how can we

make it look like magic? Let’s get back to the build!

• Take a thumbtack and ...