Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [jigsaw-puzzle]

A jigsaw puzzle is a tiling puzzle that requires the assembly of (often oddly shaped) interlocking and tessellating pieces.

13
votes
6answers
276 views

Pulling Apart a Jigsaw Puzzle

Assume you have a jigsaw puzzle that is also a tessellation. This means every piece has an identical shape and can be assembled into a 2D pattern that fills the plane with no gaps. Such a jigsaw ...
11
votes
1answer
784 views

Gladys spins the wheel

This puzzle is part 5 of Gladys' journey across the globe. Each part can be solved independently. Nevertheless, if you are new to the series, feel free to start at the beginning: Introducing Gladys. ...
3
votes
1answer
76 views

Max 4x1 pattern fit within 11x11 area

Rimworld is a tile-based videogame. There is a constructible called a sun lamp, which provides light for indoor farming: . As you can see, the area covered by the lamp is 11 * 11, minus 1 for the ...
14
votes
3answers
1k views

1 dimensional jigsaw

Can you piece these jigsaw pieces back together again? X...X......X....X..X X.X.....X.....X....X XX.X...X...X X.....X.X...X.....X X.X.X.X..X.. The solution consists of 25 X's in a row. Where ...
9
votes
1answer
535 views

Counter-Red Spiders

An entry in Fortnightly Topic Challenge #35: Restricted Title 1. Title based on this xkcd.This puzzle contains hints for 220 black squares (but that's not the point) but is a standalone puzzle. ...
-4
votes
2answers
136 views

What is the biggest known jigsaw puzzle size by pieces as of 2018? [closed]

Biggest I've observed so far are 18000 pieces, right?
15
votes
1answer
692 views

Masyu jigsaw puzzle

Here's a masyu puzzle for you. The rules are as follows Draw a single closed loop which does not cross or touch itself. The sections of the loop run horizontally or vertically between the ...
12
votes
1answer
342 views

Jigsaw Logic: ?s galore

I am working on a 256 piece jigsaw puzzle, but I am having a lot of trouble. Instead of the picture being a landscape or painting, the final image is just a sixteen by sixteen grid of identical ...
10
votes
1answer
630 views

Help I'm puzzled

My dad was fixing the driveway and later asked me to see if I could get some help with this I'd appreciate your help MIKEY G
7
votes
1answer
552 views

The Piece in the Corner of my Jigsaw Puzzle

Don't know about you, but I personally enjoy relaxing at home, listening to good music and solving puzzles. Yesterday I was trying to finish one of my numerous jigsaws, when ended up with three corner ...
7
votes
2answers
471 views

The Hyper-Modern Kidnapper: Crime Scene #3

The Story: This was quickly getting old. They'd solved the kidnapper's (killer's?) puzzle again and it was another creepy song lyric. No, that's not fair. They're only creepy when they're from a ...
10
votes
2answers
409 views

Build your own™ Dominosa!

Fictional story: As everybody knows I'm not good at making puzzles so I ordered a Build-your-own™ Dominosa kit! This should be good for my Dominosa building skills, I thought to myself. And today, ...
5
votes
2answers
207 views

Raikarting Mosaic

My brother me invited me Karting this weekend, and we had a grand time, although we were way slower than the top time on the leaderboard, initialed KR. The owner told us that this was his cousin, and ...
27
votes
3answers
2k views

Grandma's Rebuses

DISCLAIMER: This story is fictional My dear grandmother passed away two years ago, with her husband, Ed, sitting solemnly by the side of her hospital bed. She was always kind, friendly, but also very ...
-1
votes
1answer
409 views

Dance a Jigsaw - Clue Fifteen

<<---First clue <---Previous clue Now that you had your clue, you have a feeling that it might be time to get out. You look around for a door, and... don't see one. However, you do see ...
26
votes
1answer
1k views
11
votes
2answers
334 views

Ten suspicious coasters

Last Friday I've been out with nine friends and we went to a new bar in town, called "Take it Easy" bar or something. We had a great time as a group. Well, I think most of the group had. I wasn't ...
14
votes
2answers
639 views

A friendly jigsaw

This puzzle belongs to the puzzle series: hyper-modern art The two friends in the gallery of hyper-modern art move into a room which is painted completely in black and white. Strange, wavy lines ...
12
votes
3answers
808 views

Day and night of the two timers

            Make a non - 24 - hour day /  night cycle       &...
9
votes
2answers
239 views

Jigsaw Logic: Opheodrys Vernalis

Challenge: Given unlimited copies of each of the above type of puzzle piece, create a $9\times 9$ square which features a picture of snake. Rules: There must be only one snake, with a head at one ...
9
votes
3answers
1k views

Jigsaw puzzle: edge and middle pieces

My young daughter and I love doing jigsaw puzzles together. The other day, we had a quite difficult one: 7 by 7 pieces! We started as usual by splitting the pieces into 2 stacks: the edge pieces on ...
25
votes
1answer
1k views

Smashing Seven Segments

The Setup Consider a 5-by-5 grid of 7-segment displays, "smashed together" so that the peripheral segments of neighbouring displays overlap (see below).             ...
9
votes
2answers
1k views

The unsolvable puzzle (a colorful and challenging jigsaw 2.0)

There once was a famous work of modern art that everyone in the world loved. One particularly nasty person however hated it so much that decided to use a time machine to go back in time to when the ...
10
votes
1answer
564 views

Physical puzzle in four parts

This is simple and has a glaringly clear solution. Instructions: Print Cut Assemble To make it a proper puzzle and avoid half-solutions: The solution I'm looking for has all pieces ...
10
votes
3answers
430 views

What kind of glues are not conducive to long-term puzzle preservation?

If one has a very large puzzle of an image that one desires to mount and frame; what kind of glues would damage the puzzle piece over time? I have heard of 'puzzle glues', but question if this is ...
12
votes
5answers
25k views

Of these five approaches to starting a jigsaw puzzle, which one is fastest?

Of the following 5 strategies for getting started assembling a jigsaw puzzle: Assembling the border and connecting other pieces to it Working your way out from one corner Trying to assemble faces ...