Split Pyramid

by AdanA, published

Split Pyramid by AdanA Aug 23, 2012

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Per Cymon's suggestion (comments, parent work), split each in half (was that the correct half to cut?) leaving four identical parts, not just two.


Print and play!

Quoting LeftAngle's parent work: "The idea is to make the 2 pieces into a pyramid. It can be done, but it's not as easy as you might think. A great ice breaker."

I'll add that it's fun to find the right arrangement but not exactly stable in that arrangement, unless you have a little channel to permit it to stand on edge. So I've made such a thing. An equilateral triangle base would work too, but I like the drama of the higher center of gravity.

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Fun!  Check out the 3D Tangram which results in a pyramid as well.
I like the idea of a base to hold the parts.  I am currently working on a base which inverts the pyramid so you can solved the puzzle with the pyramid tip down.

3D Tangram in Pyramid Form
by AndyP

Finally printed one. Had to change filament midway through which made for a neat effect but now I'm afraid it'll give away the solution due to the way it prints. Maybe take the 4 and stand them up on their triangular end so obfuscate the solution?

It's a lot bigger than I expected it. If I had it to do again I'd probably scale it down 50%. I mention that for anyone who comes after me because I'll probably keep this print forever.

That's funny! My thought was, "bummer, I wished I'd made this about 50% larger."

Referring back to my comment on your "I made one" picture page, I think the people for whom the color stripe is a tipoff are those who would get it instantly anyway. The others will likely not be any less lost for it.

Yup, that's the way. I remember them sitting on a desk in pyramid mode well enough. I'll have to print this out to try.

It's definitely friction-dependent. The slick fresh-printed ABS on my melamine desktop isn't doing it. But on a piece of MDF it's staying in the pyramid acceptably well.

I was having lunch today with a friend and we were talking about your 4 piece puzzle idea. I told him I'd try it, but you beat me to it.

Your puzzle looks exponentially more difficult... And as a bonus, the smaller pieces would fit much better into pockets. I'll definitely have to try it out.

I have one suggestion... And it's a good one. If you cut the pieces the way I show here, it would be easier in the long run. If you were
to grab a handful to take with you (as I do, when I go out), you have to be careful when you perform, that you've brought the right, mirror imaged pieces. If all the pieces were the same shape, it doesn't matter which ones you pick up. You only need to reach into your pocket, grab 4, and you're in
the spotlight, ready to make your bet.

I always let the marks keep the puzzle. Makes them feel good to get something for free... Especially if they just had to pay for lunch:-)

btw, if you print them solid, they'll stand on their own. A bit more expensive, but they have a nice, hefty feel. The
y could also be filled with something when they reach the 3/4 point of the print to give them mass. Sugar would work well. The sugar would settle to the bottom, making the parts stable in any position, they'd produce a nifty sound when they're shaken and if they break, what a treat!

Thanks for im
proving on the idea.

Ah... that slicing does make it more pocketable, in that it's thinner. My pieces are chunky and pointy, could hurt a leg! But both options actually produce a cluster of four identical parts, so as long as you don't mix parts from the different approaches... or at least ensure you have two of one and two of the other... you're good to go.

I like the idea of adding sugar/sand/moving weight. That''s a good call. I'm wondering if painting them with an exterior latex paint could give a higher friction coating that might help reduce sliding, regardless of fill density.

And I most DEFINITELY like the idea of giving something away to you
r marks! When I got the replicator I had no idea how many miniature rolling hedgehogs I'd be giving away :-)

You're right.. My bad. I'm printing your version out now :-)

Awesome! Have fun.