184 votes
Accepted

How can this shape perfectly cover a cube?

The shape Using this, we can make a guess for how the cube might be folded: Once that fold is done, the shape looks more like this: A drawing of the finished product: And an animation of the whole ...
Deusovi's user avatar
  • 146k
90 votes
Accepted

A Weapon or a Toy?

First the nonogram solves like this: Then We see Then we So we
caPNCApn's user avatar
  • 19.2k
87 votes
Accepted

Can you perfectly wrap a cube with this blocky shape?

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 ...
Bass's user avatar
  • 77.4k
66 votes

Can you perfectly wrap a cube with this blocky shape?

The shape can be folded like this
Weather Vane's user avatar
  • 14.4k
54 votes
Accepted

Create a 3 inch measurement

I can do it in folds, by
DooplissForce's user avatar
53 votes

Folding paper into corners

I managed to make Like so:
Jonathan Allan's user avatar
51 votes
Accepted

The Folding Maze

My Answer: Red lines are where you would go, yellow lines indicate moving over the fold.
Austin Weaver's user avatar
49 votes
Accepted

How to make someone open an origami?

Why not open with a short riddle to start with—perhaps a couplet? For example, on the ears, you could write in suitably mysterious type: Here you are at number one To start, undo what has been ...
boboquack's user avatar
  • 22k
40 votes

Two chunky pixelated X's locked in mortal combat!

The combined area of the X's is The solution:
Daniel Mathias's user avatar
37 votes
Accepted

Can you refold a hyper plus sign into a cube?

Phew! To start, After much trial and error, I got a net that looks like this:
AxiomaticSystem's user avatar
36 votes

How to make someone open an origami?

You could have a small part of the QR code visible on the folded origami. Just small enough that it's not immediately obvious what it is at first.
Jafe's user avatar
  • 77.9k
36 votes

Two chunky pixelated X's locked in mortal combat!

Here's a diagram showing both the parts of the shape that make up each face of the cube in its own colour, and trying to give some indication of how they meet up when folded.
Weeble's user avatar
  • 461
29 votes
Accepted

Ernie and the Lock-down Puzzle

Ernie's jigsaw puzzle isn't as straightforward as it seems, as it's actually: One way of assembling the pieces legally is: How will you know when you have succeeded? PS Ernie definitely has a sense ...
Stiv's user avatar
  • 142k
29 votes

Folding to One Triangle

I know that the answer has already been accepted, but the question doesn't appear to require that the "single equilateral triangle" is the same size as one of the "10 equilateral ...
Penguino's user avatar
  • 13.9k
28 votes

Folding to One Triangle

With some "creative reading of the rules", I managed to create a single equilateral triangle folding only Like so:
Bass's user avatar
  • 77.4k
26 votes
Accepted

Wrap a squashed, bullet-riddled lowercase lambda around a cube

Here is the cube I made: Update:
Weather Vane's user avatar
  • 14.4k
25 votes

The Folding Maze

Well, you beat me by 30 minutes, but I worked hard on this so I'm posting it anyway :)
Selvek's user avatar
  • 738
24 votes
Accepted

Cover a cube with four-legged walky-squares!

The cube can be covered by
Weather Vane's user avatar
  • 14.4k
23 votes
Accepted

Can you cover a cube with copies of this shape?

This can be done To figure out how to do it, Here are some images of the covering:
Deusovi's user avatar
  • 146k
21 votes
Accepted

Fold a standard paper to get a Rhombus

I can do it in just three folds and a single unfold. Proof that this is a rhombus:
edderiofer's user avatar
  • 2,371
21 votes
Accepted

A Slightly Moth-Eaten Integral Sign

I made folds like this: These puzzles are getting harder and harder. In this case it was impossible for me to eyeball where any face would be, and it only started to make sense once I started cutting ...
Weather Vane's user avatar
  • 14.4k
21 votes
Accepted

Two chunky pixelated X's locked in mortal combat!

As I don't have a camera handy, I have had to unfold my (pink) cube before I could show it to you. Its sides are $\sqrt{52} = \sqrt{4^2+6^2}$ units long.
Penguino's user avatar
  • 13.9k
18 votes
Accepted

Turn two cubes into one!

I have found several solutions. There are three cube nets that cover the same-shaped half of the larger cube surface, so you can choose any two copies of those (the same or different) and combine them ...
Jaap Scherphuis's user avatar
18 votes
Accepted

Cover a single cube with FIVE identical cube nets

Parcly Taxel's user avatar
  • 7,678
17 votes

Folding paper into corners

I have managed to come up with Following are the images of the paper with each fold.
CodeNewbie's user avatar
  • 11.8k
17 votes
Accepted

Early 1900's Paper Puzzle - Release the Key and Live Forever

It could be done with some slight folding of the paper, be careful though.
Bjorn Eriksson's user avatar
15 votes

Create a 1 meter measure

I can do it in just: Initial configuration: First: We have: Now: We get the mark: Finally: You get: And the required distance is: Why this works:
boboquack's user avatar
  • 22k
15 votes
Accepted

Ernie and the Superconducting Boxes

First, we need to figure what is the minimum amount of superconductor that we'll lose when making the cut. Optimally, we can cut the large cube net into two smaller cube nets without any waste at all. ...
Bass's user avatar
  • 77.4k
15 votes

Can you refold a hyper plus sign into a cube?

I'm posting my own solution as a self-answer here because it's quite different from the solution posted by AxiomaticSystem. It seems worthwhile to have both of them recorded for posterity. (But ...
plasticinsect's user avatar
14 votes
Accepted

Wrapping a Galaxy Around a Cube

The galaxy should be folded like this This is a crude model I made of the cube, with the joins highlighted (might have missed one).
Weather Vane's user avatar
  • 14.4k

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