76

This seems to work: Below, I printed out the shape, and cut off the excess. The white parts are for glueing; if everything works out as planned, all of them will be covered by the coloured bits around the black squares. Joy, it all worked! Here's the final cube, with some white "intentionally" showing through between the pieces, highlighting the borders: ...


60

The shape can be folded like this


23

The cube can be covered by


17

Preliminary analysis. After some playing around with Acorn, I came up with the answer:


9

The answer is: it's complicated!


8

Here is the solution to the puzzle (note the correction in "3,1,2,5" to "3,1,2,1,4", by comment here):


8

My answer is Edit:


8

I think you could make cuts as follows


7

It's an old puzzle...The solution can be found here: https://www.google.com/amp/s/richardwiseman.wordpress.com/2013/06/24/answer-to-the-friday-puzzle-211/amp/ Explanation:


6

I was trying to post this 5 minutes before the other answer, but got snookered by camp wifi


4

This is the smart alec answer: The more normal answers:


3

How about this cut? (With Region A as the base of the pyramid)


3

I think I have it:


1

Well, I have more... My attempt as some kind of proof:


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