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Stacked Glasses is a puzzle in Professor Layton and the Diabolical Box.

## Puzzle

US Version

The owner of a four-star restaurant assigns a young waiter the task of stacking glasses in a decorative way. Eager to please, the young waiter immediately draws five separate designs and shows them to the owner. The owner takes one glance at the designs and, with a look of irritation, turns to the boy and cries, "This design is preposterous! What were you thinking?"

Which of the five designs is the owner talking about?

UK Version

The owner of a four-star restaurant assigns a young waiter the task of stacking glasses in a decorative way. Eager to please, the waiter immediately draws five separate designs and shows them to the owner. The owner takes one glance at the designs and, with a look of irritation, turns to the boy and cries, "This design is preposterous! What were you thinking?".

Which of the five designs is the owner talking about?

## Hints

Click a Tab to reveal the Hint.

"This design is preposterous!"

US Version

The owner wasn't angry because the design in question was hard to assemble. He was upset because one design is physically impossible to replicate in real life.

UK Version

The owner wasn't angry because the design in question was hard to assemble. He was upset because the design was physically impossible to replicate in real life.

US Version

A and C could probably be pulled off with steady hands and a lot of patience.

UK Version

A and C could probably be achieved with steady hands and a lot of patience.

That leaves B, D and E.

US Version

One design, while perfectly natural when drawn in 2-D, stacks the glasses in a way that is impossible to create in reality.

On paper, each cup is represented by single bent line, but real glasses have a rim on the top and walls of a set thickness.

UK Version

There is one design that can be drawn in 2D but, in reality, stacks the glasses in an impossible way.

On paper, each cup is represented by a single U-shaped line, but real glasses have more to them than that, namely sides and a rim on top.

## Solution

### Incorrect

US Version

Why do you suppose a simple drawing made the restaurant owner so mad?

UK Version

Why do you suppose a simple drawing made the restaurant owner so angry?

### Correct

Exactly right!

The restaurant owner was talking about sketch D. If you look closely, you can see that the first and second row of glasses couldn't possibly be arranged in the manner depicted.

US Version

The simple 2-D sketch didn't take into account the rim of the glass.

UK Version

The simple 2D sketch didn't take into account the rim of the glass.

A big thanks to http://professorlayton2walkthrough.blogspot.com

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