Questions tagged [paper-folding]
A puzzle based on the folding of a piece of paper (also known as origami).
8
votes
4answers
2k views
Number of folds to form a cube, using a square paper?
Take a square paper of size S X S units, and thickness of paper 1 unit.
How many half folds should we do to get form a cube out it?
Consider infinite foldable paper.
8
votes
3answers
2k views
Folding a paper wouldn't be this hard
Alice and Bob started to play a game with a piece of A4 paper. Alice is going to cut that paper as she wants and will give it to Bob, then Bob will fold the paper from anywhere he wants. In the game, ...
43
votes
13answers
6k views
How to make someone open an origami?
I'm offering someone an origami (rabbit shape) with a QR code written inside. This is the beginning of a series of riddles.
My question is, how could I make the person I'm offering the origami to ...
4
votes
4answers
803 views
Reach for the moon
A rectangular strip of 1 mm thick paper has length = 500 m and width = 1 m. It is lying on a horizontal floor and you are allowed to rotate and fold this inelastic paper as often as possible.
What is ...
22
votes
1answer
577 views
A Pentad of Paper Puzzles
I feel that paper is an underrepresented mechanic in puzzles, so this puzzle explores the many facets of this subject. It's (almost) all lovingly handmade, so please excuse any errors.
Orikami
...
78
votes
3answers
4k views
The Folding Maze
Four years ago, I drew a really nice maze. I have recreated it with the wonders of MS Paint for all of you to enjoy.
Just begin at the green START, exit by the red arrow, and don't pass through ...
9
votes
2answers
267 views
Create a 1 meter measure
How many folding steps do you need to create a $1 \, \text{m}$ measure from an ideal DIN A0 sheet? This sounds easy, but consider that this paper has edge lengths of $\sqrt[4]{2} \, \text{m}$ and $\...
6
votes
2answers
1k views
Fold a standard paper to get a Rhombus
A follow up to the "Create a 3 inch measurement" post.
Can you create a Rhombus ( a parallelogram with all sides equal AND which is not a square-- my restriction) using a standard letter size paper ( ...
2
votes
1answer
331 views
Bigger Yoshimoto Cubes
I have been making a Yoshimoto cube, using 8 cubes. I am assuming, there must be some way to create a Yoshimoto Cube consisting of 27 cubes or 64 cubes (assuming the original formula is 2x2x2). Or ...
3
votes
2answers
224 views
PFG: A pretty spiral!
PFG = Paper Folding Golf
You bought a piece of paper from your local op shop, but your shop is always dodgy. So instead of a normal piece of A4, you got an infinitely long strip, a metre wide.
(...
2
votes
4answers
297 views
Create a 1 inch measurement
This is a follow up to the "Create a 3 inch measurement" puzzle, which got a lot of innovative solutions.
Using the standard 8.5 x 11 inch paper, can you create a 1 inch measurement only by folding? ...
33
votes
7answers
2k views
Create a 3 inch measurement
How will you create a 3 inch (within say plus or minus 0.05 inch) side on a standard piece of paper ( 8.5 x 11 inches) merely by Folding? No marking of any kind allowed. Only one paper available. ...
4
votes
2answers
269 views
1 Cube 1 Square 1 Line
Lets take a 1'x 1'x 1' Cube rock and a 1' x 1' Square paper. With 1 straight Line cut of a scissors we can create a hole on the foldable Square paper where the Cube rock can pass through without ...
53
votes
4answers
5k views
Folding paper into corners
Here is a piece of paper:
Fold it once, and you can get a shape with 9 corners:
Starting with a rectangular sheet of paper and folding twice (along any line), what is the largest possible number of ...
6
votes
1answer
285 views
Folding a piece of paper
On the table lies a rectangular piece of paper $ABCD$ of area $100$.
Cosmo folds the rectangle once along a straight line, so that afterwards
corner $C$ lies exactly on top of corner $A$.
The ...
1
vote
3answers
5k views
Folding a piece of paper in half [closed]
How tall would a piece of paper be if you folded it 100 times?
(Assume a normal piece of paper, and that you could theoretically fold the paper perfectly in half.)
34
votes
3answers
3k views
Which 3D shape can you make out of this?
The above shape can be folded into a closed 3D shape using no more than 14 distinct folds, with no parts overlapping. What is special about the shape that results?
Rules and clarifications:
Every ...
2
votes
3answers
1k views
Folding a hexagon to a rectangle or square, with uniform overlap
A piece of fabric shaped like a regular hexagon with unit-length sides is given, with vertices A...F and center O. Let a fold correspond to folding some fabric along a straight line, without ...
