7-Piece Block Puzzle

by eweinhoffer, published

7-Piece Block Puzzle by eweinhoffer Aug 4, 2009

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A 7-Piece Block Puzzle. Goal = manipulate all 7 pieces into a 3x3x3 cube!


Printing Instructions:
-Print (1): L Piece, Small L Piece, T Piece, Weird Piece 2, ZigZag
-Print (2): Weird Piece 1

Recommended Skeinforge Settings:
-Use a raft!
-Fill: Solid Surface Thickness = 2 layers, Infill Solidity (Ratio) = .4

Have fun!

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Is it just me but I only count 6 pieces here?! Can someone assist in getting all 7 files?

Way back when, when I was attending elementary school (Tamarind) in open air roofed over coral and mortar ruin buildings in the rain forest, this was the highest tech thing we had. At that time these were called soma cubes, not sure where that name comes from.

I am curious, could a version of this be made with only one solution? And if so could someone tell me which pieces it would require?

Thanks. :)

Christmas is coming :-D

the ThinkFun company makes a larger version with a lot more shapes to make

323 different assemblies versus Soma's 240

I made one, but I can't click any 'I made one' button... Is this due to the license?

Ok, I changed it to Attribution - Creative Commons. Try now!

Here you go. :-)

btw, this is an awesome thing to build! Several 'short' prints, perfect for a demo!

The license shouldn't be a problem...there isn't one!

Interesting. This is almost a "Soma cube," which is a classic 3x3 cube dissection puzzle. Based on the photo, however, the two chiral pieces appear to have the same handedness, whereas in a true Soma cube they have opposite handedness. Is it really possible to assemble a 3x3 cube when both of these are the same piece?

Believe it or not, it is still possible to solve it with two of the same "chiral" pieces! I was originally planning on re-creating a Soma Cube puzzle by making them mirror images of each other, but had some weird software problems, and decided to stick with what I had...two of the same piece! I was really surprised to find that it's still solvable :)

That is a fairly interesting discovery, really. Way to go!

Challenge me. I had that puzzle done on NJTransit train with my eyes closed. Step up! Something challenging please!

Some more awesome puzzles are in the works, not to worry!

haha, I used to have these as a kid. Now I can relive that by printing them. Thanks!

awesome. can't wait to try to put it together sometime.