Questions tagged [mechanical-puzzles]
Puzzles that are physically made and have some sort of mechanism for turning or moving them, such as Rubik's Cubes or trick boxes.
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Problem solving 6 piece plastic puzzle
I bought this toy in a sphere, which contained a plastic cross puzzle. At first it was solid, but after moving one piece that is bit rounded (like a hinge) it was easily disassembled. But I can't get ...
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What is the CMLL Algorithm that fits this particular case?
I implemented the CFOP method in my Rubik's cube solver. Now I am trying to add the Roux method. I couldn't find the right CMLL algorithm for this particular case.
After consulting the CMLL algorithms ...
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How to fix wrongly stickered Rubik's cube
I have an edge piece that has the same color (white) on both side. I think it's unsolvable now. Should I swap the stickers? How would I know which one to exchange it with?
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Old wooden cross puzzle
I have a couple of wood puzzles that my grandad made. Not sure when he made them but he was born in 1896. I believe he was involved in the manufacture of wooden propellers for First World War ...
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Rubik's 4x4x4 Cube - Is there a "pair of moves" view of parity algorithms?
When figuring out Rubik's cubes, there are a number of intuitive approaches that help and are (at least for me) satisfying as an approach. One of the most powerful ideas especially towards the end of ...
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Rubik's Cube with center pieces swapped, how can I find the correct combination?
I wanted to start cubing, so I have a cube that allows for the center pieces to be swapped, so when it was dropped on the ground, they all fell. Now there's 6! combinations of center pieces. Is there ...
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1+3 Towers of Hanoi
There are four pegs in a row; let's call them A, B, C, and D from left to right. Peg A has a stack of $n$ differently sized disks, sorted in size so the smallest disk is at the top. All other pegs are ...
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swapping adjacent corners on a 3x3 cube
My son received a 3x3 cube for Christmas which has oddly shaped pieces. I have solved as for a Rubik's cube but have ended up with 2 corners I can't solve on the top layer. They are 2 adjacent corners....
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How can I visualize the Mastermorphix 3x3 modification?
I bought a Mastermorphix a while ago and I’m just starting to want to figure out how to solve it, which is great because it came with instructions. The instructions are telling me that the ...
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Why whenever I repeat an algorithm on Rubik's cube 3 times the orientation of all corners remains the same?
I don't get why whenever I repeat an algorithm 3 times the orientation of all the corners magically returns back to normal. Here is where my confusion comes.
Let's say that some algorithm rotates the ...
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Strange configuration for last layer
I am trying to solve my Rubik's cube but last layer has got strange configuration which I am not able to solve. I'm following algorithm shown on this page.
Here is the layout:
As you can see green ...
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Help with solving 7x7 sub-centers inside 11x11x11 Rubik's cube -- errors in guide book
[companion question here]
I was given an 11x11x11 Rubik's cube as a gift. It came with a guide book that I have been following to solve the cube.
After solving four of the 9x9 sub-centers of the cube,...
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Help with solving 5x5 sub-centers inside 11x11x11 Rubik's cube -- errors in guide book
[companion question here]
I was given an 11x11x11 Rubik's cube as a gift. It came with a guide book that I have been following to solve the cube.
I have solved four of the 9x9 sub-centers of the cube,...
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Orientate the centers of a Master Pyraminx (Pyraminx 4x4)
I have a very strange state on my 4x4 Pyraminx. The green side is solved and the other sides are almost solved, the problem is, on these 3 remaining sides the centers are not solved. The state looks ...
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5×5 illegal parity - how could I move the centerpieces to fix it?
My cube was dropped (kids uugh) and only three center pieces fell out (red blue and yellow). I put them back where I thought they should be, and then solved the cube.
The end result is this weird ...
